The Ajediam Glossary

Dainty jewelry refers to delicate and subtly designed jewelry pieces, often featuring small gemstones or minimalist aesthetics, catering to those who prefer understated elegance.

Dali jewelry refers to the artistic creations of the renowned surrealist painter Salvador Dali. Known for his avant-garde and unique designs, Dali jewelry often incorporates surrealistic elements, pushing the boundaries of traditional jewelry aesthetics.

Damascene is a technique of ornamentation in which a surface design is created by inlaying different metals into one another, resulting in intricate and detailed patterns often seen in antique jewelry.

Danburite is a transparent gemstone known for its brilliance and often comes in colors like white, yellow, and pink. With its high clarity and exceptional luster, Danburite is prized by collectors and jewelry enthusiasts alike, making it a popular choice for elegant and radiant jewelry pieces.

Danny Jewel is a term used to describe a jewelry piece that is personally designed and crafted by a highly skilled jeweler named Danny. Each Danny Jewel showcases meticulous craftsmanship and unique design elements, reflecting the jeweler's artistic vision and attention to detail.

Darien pectoral refers to a decorative chest ornament or jewelry piece originating from the Darien region. These exquisite pectorals are characterized by intricate designs, often featuring motifs inspired by nature, animals, and traditional indigenous art, making them significant cultural artifacts and collector's items.

The Darnley Jewel is a historical jewelry piece that was presented to Lord Darnley, the husband of Mary, Queen of Scots. Crafted with intricate goldwork and adorned with precious gemstones, this jewel serves as a testament to the opulence and artistic mastery of the Renaissance era.

The Darnley Ring is a famous jewelry piece that was given as a gift to Lord Darnley. This ring holds historical significance in the Royal Family as it symbolizes the union of the Scottish and English crowns through the marriage of Mary, Queen of Scots, and Lord Darnley, making it a prized artifact of political and royal heritage.

The Darya-i-Nur is one of the largest and most famous pink diamonds in the world. Originating from the Dacca region, this diamond showcases a captivating pink hue and exceptional clarity, making it a prized gemstone among collectors and enthusiasts of rare and valuable diamonds.

The Darya-i-Nur is a historic diamond from Iran, known for its rare pale pink color and exceptional size. With a fascinating history dating back centuries, this diamond is not only a captivating gemstone but also a significant cultural and historical artifact, representing the grandeur and beauty of Persian jewelry craftsmanship.

De Beers is a major diamond mining and trading company, historically influential in the diamond industry and playing a key role in shaping the global diamond market.

The De Long Star Ruby is a renowned star ruby gemstone with a distinctive six-ray star pattern. Named after its previous owner Edith Haggin De Long, this exceptional gemstone displays a deep red color and a mesmerizing asterism effect, captivating the admiration of gemstone enthusiasts and collectors worldwide.

In jewelry, a decade refers to a ring or bracelet that features ten gemstones, symbolizing each year of a significant anniversary or event. This jewelry piece holds sentimental value, allowing individuals to commemorate and celebrate a decade of love, milestones, or achievements in a meaningful and elegant manner.

A decade ring is a type of jewelry that represents a period of ten years. Often crafted with a row of gemstones or engravings, this ring serves as a timeless and personal memento, symbolizing a decade of cherished memories, personal growth, or an anniversary that deserves to be celebrated and cherished.

Deco Revival signifies a resurgence of interest and influence in Art Deco design in contemporary jewelry, combining vintage aesthetics with modern sensibilities.

Deco Style refers to the Art Deco design prevalent in the 1920s and 1930s, characterized by bold geometric shapes, luxurious materials, and a focus on modernity, influencing both jewelry and fashion.

The Deepdene diamond is a notable yellow diamond that possesses exceptional clarity and brilliance. This exquisite gemstone exhibits a captivating golden hue, making it a coveted choice for those seeking a remarkable and radiant diamond with exceptional fire and sparkle, reflecting the utmost beauty of nature's treasures.

A deity amulet is a sacred charm or pendant representing a particular god or goddess. These amulets are believed to provide protection or blessings to the wearer, serving as a symbolic connection to the divine. Crafted with intricate details and spiritual significance, deity amulets hold deep cultural and religious meanings in various traditions.

Étienne Delaune, also known as Stephanus, was a French goldsmith and engraver during the 16th century. Renowned for his mastery in intricate designs, Delaune's creations incorporated elements of classical mythology, biblical narratives, and ornate patterns, showcasing the craftsmanship and artistry of the Renaissance era.

Demantoid is a rare and valuable green gemstone, a variety of andradite garnet. Renowned for its exceptional brilliance and fire, demantoid gemstones often exhibit a vivid green color with unique horsetail inclusions. These exquisite gemstones are highly sought after by gem collectors and jewelry connoisseurs, embodying a captivating allure.

Dendrite refers to the tree-like or fern-like inclusions that can be found in gemstones. These natural formations create unique and beautiful patterns within the gemstone, resembling miniature landscapes or organic structures. Jewelry pieces featuring dendritic gemstones are highly prized for their distinctive and artistic appeal.

Dentalium shells are long, slender shells that have been historically used as decorative elements in indigenous jewelry and crafts. These shells possess a pearly sheen and were traditionally valued as trade items, often incorporated into intricate beadwork and necklaces by various indigenous cultures across different regions.

Dentelle is a jewelry technique that involves intricate metalwork resembling delicate lace patterns. Inspired by the artistry of lace-making, this technique requires meticulous craftsmanship to create openwork designs, resulting in ethereal and intricately detailed jewelry pieces that exude elegance and grace.

Depletion gliding is a jewelry manufacturing process involving the application of heat and pressure to create decorative surface textures on metals. This technique results in visually stunning effects that resemble natural patterns, such as wood grain or flowing water. Depletion gliding adds depth and character to jewelry designs, enhancing their visual appeal.

Depletion silvering is a technique used in jewelry-making where a layer of silver is selectively removed to create contrasting darkened areas on the metal. This process adds depth and visual interest to the piece, highlighting intricate details and designs.

In the world of jewelry, a designer is a skilled individual who creates unique and innovative jewelry pieces. Designers often draw inspiration from various sources, incorporating their artistic vision and technical expertise to craft exceptional and distinctive jewelry creations.

Designer jewelry refers to high-quality, often one-of-a-kind jewelry created by a recognized designer or brand, showcasing unique and innovative designs in the world of jewelry.

A designer-maker refers to a jewelry artist who not only designs but also personally creates their own pieces. These individuals possess a combination of artistic creativity and craftsmanship skills, allowing them to bring their designs to life through hands-on techniques and meticulous attention to detail.

The Devizes Pendant is a specific pendant style that originated from Devizes, a town in Wiltshire, England. These pendants often feature intricate metalwork, gemstone embellishments, and symbolic motifs, representing a unique blend of historical craftsmanship and artistic design.

The Devonshire Chatelaine is a decorative accessory that originated from the Devonshire region. It typically consists of chains or cords adorned with various functional and decorative elements, such as keys, scissors, vinaigrettes, and other small accessories, worn by women as a fashionable and practical accessory.

The Devonshire Collection refers to a renowned collection of jewelry and precious objects associated with the Devonshire family. Spanning generations, this collection showcases exquisite craftsmanship, rare gemstones, and historical significance, reflecting the opulence and taste of the aristocratic lineage.

The Devonshire Emerald is a notable emerald gemstone that is part of the Devonshire Collection. Known for its exceptional size, color, and clarity, this emerald holds historical significance and is admired for its beauty and rarity, representing the allure and fascination of emeralds in the world of gemstones.

The Devonshire Opal is a remarkable opal gemstone that is part of the Devonshire Collection. This opal exhibits a captivating play-of-color, with vibrant flashes of iridescent hues, creating a mesmerizing visual display. The Devonshire Opal stands as a testament to the enchantment and allure of opal gemstones.

The Devonshire Parure refers to a set of matching jewelry pieces that belong to the Devonshire Collection. These parures often include a combination of necklace, earrings, bracelet, and brooch, showcasing harmonious design elements and gemstone arrangements, presenting a cohesive and elegant jewelry ensemble.

The Devonshire Rosary is a religious jewelry item that forms part of the Devonshire Collection. This rosary consists of prayer beads, typically made of gemstones or precious materials, and is used in Catholic devotional practices. The Devonshire Rosary exemplifies the intersection of faith, artistry, and historical significance.

Devotional jewelry refers to jewelry pieces that hold religious or spiritual significance. These pieces are often designed and worn as expressions of faith, devotion, or personal connection to specific religious traditions, symbols, or deities. Devotional jewelry serves as a tangible representation of one's spiritual beliefs.

A devotional ring is a type of jewelry piece that is specifically designed and worn for religious or spiritual purposes. These rings often feature symbols, engravings, or gemstone settings that hold religious significance, serving as a constant reminder of one's faith or spiritual journey.

A diadem is a type of ornamental headpiece or crown worn as a symbol of power, authority, or royalty. Diadems are often adorned with gemstones, intricate metalwork, or symbolic motifs, serving as a regal and majestic accessory that signifies the wearer's status and importance.

Diagem is a term used to describe a synthetic diamond or a simulated diamond. These stones are manufactured in a laboratory and possess similar physical and optical properties to natural diamonds, offering an alternative and more affordable option for those seeking diamond-like brilliance and beauty.

Diamanté is a type of costume jewelry that features rhinestones or crystals designed to resemble diamonds. These faux gems are typically made from glass or acrylic and are used to create affordable yet glamorous jewelry pieces, providing the look of diamonds without the high cost associated with genuine gemstones.

Diamonair is a brand name associated with high-quality cubic zirconia (CZ) gemstones. CZ is a synthetic gemstone that closely resembles a diamond in appearance, offering exceptional brilliance and clarity. Diamonair jewelry pieces provide an affordable and stylish alternative to genuine diamond jewelry.

Diamonds are highly prized gemstones known for their exceptional hardness, brilliance, and fire. Composed of carbon atoms arranged in a crystal lattice structure, diamonds are renowned for their beauty and rarity, making them a symbol of love, luxury, and endurance, and a popular choice for engagement rings and fine jewelry.

Diamond anatomy refers to the structural components and characteristics of a cut diamond, including crown, girdle, and pavilion, crucial for understanding the gem's overall design and quality.

Diamond baguette is a small, elongated diamond cut in a rectangular or tapered shape, commonly used in jewelry to create elegant and streamlined designs.

Diamond bezel is a setting style where a diamond is held in place by a metal rim encircling its outer edge, providing both security and a sleek, modern look to the jewelry piece.

Diamond blemishes are surface imperfections or irregularities on a diamond, influencing its clarity and overall grading in the evaluation process.

Diamond brilliance refers to the intensity and reflection of white light both inside and outside a diamond, creating a mesmerizing play of light and enhancing the gem's visual appeal.

Diamond carat is a unit of measurement for the weight of a diamond, with one carat equivalent to 0.2 grams, influencing the overall size and value of the gem.

Diamond certification is a document verifying the authenticity and quality of a diamond, issued by a gemological laboratory, providing crucial information for buyers and sellers in the diamond market.

Diamond color refers to the presence or absence of color in a diamond, graded on a scale from D (colorless) to Z (light yellow or brown), influencing the gem's overall appearance.

The diamond crown is the top part of a cut diamond, located above the girdle, contributing to the overall aesthetic and brilliance of the gemstone.

The diamond cut refers to the style or design guide used when shaping a diamond for polishing, influencing its brilliance and overall appearance in jewelry.

Diamond fire refers to the dispersion of light into spectral colors, creating flashes of color in a diamond and enhancing its visual allure.

Diamond fluorescence is a phenomenon where a diamond emits visible light when exposed to ultraviolet radiation, affecting the gem's appearance and color perception.

The diamond girdle is the narrow edge or band around the outer circumference of a cut diamond, influencing the gem's overall durability and aesthetic appeal.

Diamond inclusions are natural imperfections or flaws inside a diamond, affecting its clarity and, in turn, influencing the overall grading and value of the gemstone.

The diamond pavilion is the bottom portion of a cut diamond, located below the girdle, playing a crucial role in determining the overall proportions and brilliance of the gem.

Diamond pavilion depth is the measurement from the girdle to the culet, determining the depth of the bottom portion of a cut diamond and contributing to its overall proportions.

The diamond table is the top flat facet of a cut diamond, located at the center of the crown, playing a crucial role in reflecting light and influencing the gem's brilliance.

Diamond colors refer to the various hues that diamonds can exhibit. While the majority of diamonds are white or colorless, diamonds can also occur in a range of colors including yellow, brown, blue, green, pink, and more. These natural diamond colors add diversity and individuality to the world of diamond gemstones.

Diamond color grading is a process that assesses the color quality of a diamond. Through a standardized system, diamonds are graded on a scale from D (colorless) to Z (noticeable yellow or brown tint). Diamond color grading is crucial in determining a diamond's value, as well as its aesthetic appeal and overall desirability.

Diamond cutting refers to the process of transforming a rough diamond into a polished gemstone. Skilled diamond cutters utilize precise techniques to facet and shape the diamond, maximizing its brilliance, fire, and overall beauty. Diamond cutting requires expertise and precision to unlock the diamond's full potential.

A precision measuring tool used in gemology and jewelry to determine the size of a diamond. It helps accurately assess the carat weight and dimensions of diamonds for grading and identification purposes.

Diamond paste is a type of polishing compound containing tiny diamond particles suspended in a lubricating medium. It is commonly used in jewelry making and lapidary work to achieve a high shine and impeccable finish on diamonds and other gemstones.

A diamond point is a small, pointed tool used in jewelry techniques such as engraving and stone setting. Its diamond-tipped end provides exceptional precision and allows for intricate detail work on metal surfaces and the securing of small stones in jewelry designs.

A diamond trace chain is a delicate chain adorned with small diamond accents evenly spaced throughout its length. This type of chain adds subtle sparkle and sophistication to necklaces and bracelets, making it a popular choice for elegant and feminine jewelry pieces.

Diamond milling is a lapidary technique that utilizes specialized milling machines with diamond-coated cutting tools to shape diamonds precisely. The process involves removing material with diamond grit to create desired diamond shapes, such as round brilliants, princess cuts, or fancy cuts, for use in jewelry settings.

A diamond-point ring features a prominent diamond as the centerpiece of the design. This type of ring often showcases a large, eye-catching diamond held securely in a prong or bezel setting, creating a stunning focal point and enhancing the overall elegance and allure of the piece.

Diamond shape refers to the silhouette or outline of a diamond when viewed from above. Common diamond shapes include round, princess, pear, marquise, and emerald, each with its distinct aesthetics and unique play of light, contributing to the overall appeal and style of a diamond.

Diaper is a decorative pattern frequently employed in jewelry design, featuring small repeated motifs like flowers or geometric shapes. These motifs are intricately arranged in a symmetrical manner, adding texture and visual interest to jewelry pieces and often seen in vintage and antique jewelry designs.

Diasterism is an optical phenomenon observed in certain gemstones, where they display a star-like effect when viewed under specific lighting conditions. This captivating phenomenon is caused by the presence of needle-like inclusions that intersect within the gemstone, resulting in the formation of a luminous star pattern.

Dichroic refers to a gemstone or material that exhibits two different colors when viewed from different angles. The interplay of light and the gemstone's optical properties create a remarkable visual effect, revealing distinct hues or shades as the gemstone is rotated, making it a visually intriguing and sought-after characteristic.

Dichroism is the property of certain gemstones to display different colors when viewed from different directions. It arises due to variations in the absorption and transmission of light by the gemstone, resulting in a fascinating interplay of colors and adding depth and complexity to the gemstone's appearance.

Dichroite, commonly known as iolite, is a gemstone variety that exhibits dichroism, displaying different colors when viewed from different angles. Iolite's enchanting color range, usually featuring violet-blue and yellowish-gray, adds versatility and allure to jewelry designs, making it a beloved choice among gemstone connoisseurs.

Die striking is a jewelry technique involving the use of a die and a press to shape metal and create intricate designs, contributing to the unique and detailed features of jewelry pieces.

Die casting is a jewelry manufacturing process that utilizes high pressure to inject molten metal, often a precious metal alloy, into a pre-designed mold or die. This technique enables the production of intricate and finely detailed jewelry components, ensuring consistent quality and precise replication of intricate designs.

Die stamping, also known as die striking or coining, involves impressing a metal stamp onto a metal surface to create intricate patterns or designs. This technique is commonly used in jewelry making to embellish metal jewelry components, adding decorative motifs, textures, or trademarks with precision and consistency.

Differential pickling is a jewelry technique that selectively removes oxidation or contaminants from specific areas of a metal piece. It allows for targeted cleaning and restoration while preserving desired patinas or finishes on other sections of the jewelry, accomplished by controlling exposure time or utilizing protective coatings during the pickling process.

Diffusion bonding is a method used in jewelry fabrication to join two metal surfaces without the use of solder or additional materials. By subjecting the metal surfaces to high temperature and pressure, the atoms at the interface diffuse and bond together, creating a strong and seamless connection between the metals, suitable for intricate and precise metalwork in jewelry making.

Johann Melchior Dinglinger was a celebrated German goldsmith and jeweler renowned for his exceptional enamelwork and gem-setting skills. Active during the late 17th and early 18th centuries, Dinglinger crafted intricate works of art, including mechanical automata and elaborate jewelry pieces commissioned by European royalty, showcasing his craftsmanship and attention to detail.

Diopside is a gemstone mineral appreciated for its vibrant green color and good transparency. Ranging from pale yellowish-green to deep forest green, diopside is popularly used in various jewelry applications, such as earrings, pendants, and rings, adding a vivid touch of natural beauty to jewelry designs.

Dioptase is an exquisite green gemstone prized for its intense color and high transparency. Belonging to the cyclosilicate mineral group, dioptase exhibits exceptional luster and a captivating green hue. It is often cut into faceted gemstones or used as cabochons to create stunning jewelry pieces that showcase its vivid and alluring characteristics.

Dipped enameling is a jewelry technique involving immersing a metal object, such as a piece of jewelry, into an enamel solution for coating or decoration. The object is then fired at high temperatures to fuse the enamel onto the metal, resulting in a durable and colorful finish that adds vibrancy and artistic flair to jewelry designs.

A diptych is a type of jewelry or decorative object consisting of two hinged panels that can be opened or closed. It often features intricate designs or miniature paintings on the inner surfaces of the panels, making it a unique and artistic piece of adornment.

Diquis jewelry refers to the pre-Columbian jewelry crafted by the indigenous people of the Diquis culture in what is now Costa Rica. These exquisite ornaments, typically made from gold or other precious metals, display intricate designs inspired by animals, nature, and cultural symbolism, showcasing the skilled craftsmanship of the Diquis people.

A disc brooch is a type of brooch featuring a flat, circular shape as its main design element. It can be made from various materials, such as metal, enamel, or gemstones, and is often adorned with decorative motifs, gemstone accents, or intricate patterns, adding a touch of elegance and sophistication to any outfit.

A disc ear-ring is an earring style characterized by a circular or disc-shaped element that hangs from the earlobe. It can be a plain metal disc or embellished with gemstones, enamel, or other decorative elements, offering a stylish and contemporary look for both casual and formal occasions.

A disruption brooch is a type of brooch that challenges traditional design conventions by incorporating asymmetrical or unconventional elements. It often features bold shapes, unique materials, or unexpected combinations, creating a visually striking and thought-provoking piece of wearable art.

The Djed pillar is an ancient Egyptian symbol representing stability, endurance, and resurrection. In jewelry, the Djed pillar can be seen as a pendant or charm, crafted in various materials and worn as a symbol of strength, protection, and connection to ancient Egyptian culture and beliefs.

Djevalite is a rare and valuable gemstone known for its vivid green color and high transparency. It belongs to the garnet mineral group and is often faceted into gemstones for use in fine jewelry. Djevalite's exceptional brilliance and captivating green hue make it a sought-after choice for those looking for unique and vibrant gemstone jewelry.

Documentary specimens refer to jewelry pieces or gemstones that hold historical or cultural significance beyond their intrinsic value. These items serve as tangible artifacts or evidence of a specific era, civilization, or cultural practices, offering valuable insights into the past and contributing to the study of jewelry history.

A dog collar in the context of jewelry refers to a type of necklace or choker that resembles a decorative collar worn by dogs. It is typically a wide band or chain worn snugly around the neck, often featuring intricate patterns, gemstone embellishments, or symbolic elements, adding a touch of elegance and adornment to the neckline.

A dolphin pendant is a pendant or charm depicting a dolphin, a beloved marine creature known for its intelligence, grace, and playfulness. It symbolizes qualities such as freedom, joy, and protection. Dolphin pendants are popular among those who appreciate marine life or seek a connection to the ocean and its symbolism.

John Donald is a contemporary jewelry designer known for his innovative and artistic approach to jewelry design. His creations often feature unconventional materials, unique textures, and avant-garde concepts, pushing the boundaries of traditional jewelry design and captivating collectors and enthusiasts worldwide.

A change in frequency or wavelength of a wave in relation to an observer moving relative to its source. In the context of jewelry, the Doppler effect may refer to the alteration of perceived color due to the motion of the observer.

Carlo Doria was an Italian jewelry designer known for his exceptional craftsmanship and intricate goldwork. Active during the late 19th and early 20th centuries, Doria created elaborate and ornate jewelry pieces inspired by Italian Renaissance and Baroque styles, showcasing exquisite detail and a mastery of goldsmithing techniques.

Dot-repoussé is a jewelry technique that involves creating raised patterns or designs on metal surfaces using small dots or granules. The dots are meticulously arranged and fused onto the metal through hammering or soldering, resulting in a textured and three-dimensional effect that adds depth and visual interest to the jewelry piece.

A double cameo is a type of cameo jewelry featuring two carved layers of contrasting materials, typically layered in a way that creates a visual contrast or depth effect. This technique allows for intricate and detailed relief carvings to be showcased on the jewelry piece, adding dimension and complexity to the cameo design.

A double clip is a type of jewelry fastening device featuring two interlocking clips used to secure a brooch or other decorative elements. The double clip provides a secure and versatile method for attaching jewelry components, allowing for creative customization and the option to wear the pieces individually or combined.

The double rose cut is a diamond cutting style characterized by a series of triangular facets arranged in a rose-like pattern on both the top and bottom of the diamond. This cutting technique creates a distinctive and romantic look, enhancing the diamond's brilliance and sparkle while showcasing a unique vintage appeal.

A double-hoop finger ring is a ring style featuring two interconnected hoops or bands that encircle the finger. This design adds visual interest and dimension to the ring, often creating a layered or stacked look. Double-hoop finger rings can be simple and minimalist or adorned with gemstones, adding a touch of elegance and versatility to the wearer's style.

A double-hour-glass torc is a type of neck ornament or necklace characterized by its symmetrical design resembling two connected hourglass shapes. It is often crafted from precious metals and worn as a symbol of status, wealth, or cultural significance, dating back to ancient civilizations and showcasing the artistry and craftsmanship of the time.

In gemology, a doublet refers to a composite gemstone created by adhering a thin layer of colorful gem material to a backing or base material. This technique enhances the gem's color and visual appeal while providing durability and stability. Doublets can be found in various gemstone varieties, adding affordability and versatility to jewelry designs.

The dove is a symbol of peace, love, and spirituality, often depicted in jewelry as a pendant or charm. Doves are associated with harmony, tranquility, and divine connection, making dove-inspired jewelry a popular choice for those seeking meaningful and symbolic adornments.

The Dowgate Hill Brooch is a historical jewelry artifact dating back to the Roman period. Discovered in Dowgate Hill, London, it showcases intricate metalwork and is believed to have been used as a decorative accessory or as a symbol of status and wealth during that era.

Draconites are a type of gemstone that exhibit a greenish-blue or greenish-gray color. Often used as a decorative element in jewelry, Draconites are known for their unique and captivating appearance, adding an element of intrigue and natural beauty to jewelry designs.

Dragon jewelry refers to jewelry pieces or accessories inspired by the mythical creature, the dragon. These designs often feature dragon motifs, scales, or silhouettes and are associated with strength, power, and protection. Dragon jewelry can range from subtle and elegant to bold and statement-making, catering to various personal styles and tastes.

A Drake Enseigne is a decorative item or jewelry piece associated with Sir Francis Drake, the famous English explorer and naval captain. These enseignes often feature Drake's emblem or coat of arms, symbolizing his achievements and serving as a tribute to his legacy and contributions to maritime exploration.

A Drake Jewel is a jewelry item associated with Sir Francis Drake, typically crafted to commemorate his voyages or achievements. These jewels can take various forms, such as pendants, brooches, or rings, and often feature intricate designs, incorporating elements related to Drake's exploits, ships, or nautical symbols.

A Drake Pendant is a pendant-style jewelry piece associated with Sir Francis Drake, featuring designs or symbols related to his life or achievements. These pendants can range from small and delicate pieces to larger, more ornate ones, allowing individuals to display their admiration for Drake's legacy and adventurous spirit.

The Drake Star is a jewelry item or emblem associated with Sir Francis Drake, symbolizing his contributions as an explorer and seafarer. It often features a star-shaped design with intricate detailing, reflecting the astronomical and navigational significance of stars in Drake's maritime expeditions and voyages.

Dravite is a brown-colored gemstone belonging to the tourmaline mineral group. Known for its warm and earthy tones, dravite is often used in jewelry to add a touch of natural elegance and warmth to designs. It can be cut into various shapes and sizes, allowing for creative and versatile jewelry creations.

Dresden Diamonds refer to a collection of historic and renowned gemstones housed in Dresden, Germany. These diamonds, known for their exceptional clarity and brilliance, are treasured as significant cultural and historical artifacts. Their rich history and outstanding beauty make them highly sought after by gem enthusiasts and collectors.

A dress fastener refers to a decorative or functional accessory used to fasten or secure garments, particularly dresses. These fasteners can include various types, such as clasps, hooks, buttons, or brooches, serving both practical and aesthetic purposes to enhance the overall appearance and fit of the dress.

Dress ornaments are decorative elements specifically designed to embellish and adorn dresses. These ornaments can include gemstone accents, enamelwork, filigree, or intricate metalwork, adding elegance, style, and personality to the garment. Dress ornaments can be detachable or permanently attached to the dress, allowing for customization and versatility.

A dress pin is a type of jewelry accessory used to secure clothing, particularly dresses or shawls. Dress pins can come in various forms, such as brooches, decorative pins, or hat pins, and are often adorned with gemstones, enamel, or intricate metalwork, adding a touch of glamour and style to the attire.

A dress set refers to a coordinated collection of jewelry items designed to be worn together with a specific outfit or dress. Typically consisting of a necklace, earrings, and sometimes a brooch or bracelet, dress sets offer a cohesive and harmonious look, elevating the overall elegance and sophistication of the wearer's ensemble.

A drop pearl is a type of pearl characterized by its shape, which resembles a teardrop or a pear. These pearls are highly valued for their elegant and elongated form, making them popular choices for earrings, pendants, or necklace designs where their natural luster and shape can be showcased beautifully.

A drum bead is a cylindrical-shaped bead commonly used in jewelry making. These beads can be made from various materials, such as wood, metal, or gemstones, and are often used in necklaces, bracelets, or earrings to add texture, rhythm, and visual interest to the overall design.

Druzy refers to tiny crystals that form within the surface of a gemstone, creating a sparkling effect that enhances the visual appeal of jewelry pieces.

Jacques Androuet Ducerceau was a French designer and engraver known for his contributions to architectural ornamentation and decorative arts during the Renaissance period. His intricate designs and engravings are often referenced in the context of jewelry design and historical decorative motifs.

The Dudley Diamond is a notable gemstone historically associated with the Dudley family, a prominent English noble family. This diamond, renowned for its size and quality, has been passed down through generations and is considered a significant and valuable heirloom with a rich history and cultural significance.

François Dujardin was a renowned goldsmith and jeweler during the Renaissance period. Known for his exceptional craftsmanship and intricate designs, Dujardin's creations often featured elaborate metalwork, gemstone settings, and decorative motifs, showcasing the artistic and technical skills of the time.

Dumortierite is a gemstone valued for its vibrant blue color and durability. Used in jewelry, it is often faceted into gemstones or cabochons to create eye-catching pieces. Dumortierite's striking blue hue and attractive translucency make it a sought-after choice for adding a pop of color and elegance to jewelry designs.

The Dunstable Swan Jewel is a historical jewelry artifact dating back to the late 14th century. Discovered in Dunstable, England, it is a brooch featuring a swan design and is believed to have served as a badge or insignia associated with the court of King Richard II. The jewel showcases intricate craftsmanship and is considered an important example of medieval jewelry.

Durability in the context of jewelry refers to the ability of a gemstone or jewelry piece to withstand wear, pressure, or damage, ensuring a longer lifespan and sustained beauty.

Dutch metal, also known as Dutch leaf or Dutch gold, is an alloy composed of copper and zinc. It is often used as a substitute for gold leaf in jewelry and decorative arts. Dutch metal provides a lustrous and golden appearance, making it a cost-effective option for achieving the look of gold in various applications.

The Dutch rose cut is a diamond cutting style that originated in the Netherlands during the 17th century. It features a flat-bottomed rose-shaped crown with triangular facets, giving the diamond a distinct and captivating appearance. Dutch rose cut diamonds are treasured for their vintage charm and unique light-play.

The Dutoitspan Diamond is a notable diamond discovered in the Dutoitspan Mine, South Africa, during the diamond rush in the late 19th century. It gained recognition for its exceptional size and quality. The Dutoitspan Diamond represents a significant part of diamond mining history and holds value as a rare and valuable gem.

Jean Duvet was a French goldsmith and engraver known for his intricate and detailed metalwork. His creations often showcased ornate designs, mythical creatures, and allegorical motifs. Duvet's work has had an enduring influence on the field of jewelry design and decorative arts during the Renaissance period.

Dyeing is a gemstone treatment method that involves enhancing or altering the color of a gem through the application of dyes or stains. This treatment can be used to achieve a desired hue, mask imperfections, or create unique and vibrant color effects. Proper disclosure of gemstone dyeing is important for transparency and consumer knowledge.

Albrecht Dürer was a renowned German artist and engraver during the Renaissance period. While primarily known for his contributions to painting and printmaking, his artistic style and motifs have also influenced jewelry design. His intricate engravings and detailed compositions continue to inspire contemporary jewelry artists and craftsmen.