The Ajediam Glossary

A square or rectangular gemstone cut with trimmed corners and brilliant-cut facets, designed to maximize the stone's brilliance and fire.

A radiated fibula is an ancient brooch-like fastening device characterized by radiating elements, often resembling rays or spikes. It served both functional and decorative purposes in ancient adornment.

The process of treating gemstones with radiation to alter or enhance their color, a common practice in the gemstone industry.

Rainbow agate is a variety characterized by multicolored bands, displaying a spectrum of hues reminiscent of a rainbow. This captivating stone is often used in jewelry for its vibrant and unique patterns.

Rainbow quartz is a type of crystal displaying internal fractures that create a prism effect, producing a play of colors similar to a rainbow. This mesmerizing phenomenon enhances its allure in the world of gemstones.

Wendy Ramshaw, active since 1939, is a renowned contemporary jewelry artist celebrated for her innovative designs that push the boundaries of traditional jewelry craftsmanship.

The Raspoli Sapphire is a notable gemstone, possibly named after the Raspoli family. It is prized for its exceptional color and clarity, making it a coveted and valuable addition to gemstone collections.

The process of reshaping a gemstone to improve its appearance or value, often done to salvage a damaged or poorly cut stone.

The Crown of Recesvinthus is a historical crown associated with the Visigothic king. Its distinctive design and cultural significance make it an intriguing artifact from a bygone era of regal adornments.

Metal that has been recycled or repurposed for use in jewelry, contributing to sustainability efforts and reducing environmental impact.

A reconstructed stone is a gem that has undergone artificial enhancements to improve its appearance, durability, or other desired characteristics. This practice is common to achieve desired aesthetics in jewelry.

Gemstones that have been reclaimed from old jewelry and repurposed, providing an eco-friendly and sustainable alternative to newly mined stones.

The Red Cross Diamond is a historic gem, associated with the Red Cross. Its large size, exceptional cut, and rich history contribute to its significance in the realm of famous diamonds.

Red gold is an alloy of gold and copper, imparting a reddish hue. Widely used in jewelry design, its warm and distinctive color adds a touch of uniqueness and elegance to crafted pieces.

Jewelry or gemstone with parallel ridges or grooves, adding texture and visual interest to the design.

In jewelry, a reflector is a device that enhances gemstone brilliance by redirecting and maximizing light. This technique is employed to amplify the visual impact of gemstones in various jewelry pieces.

The bending of light as it passes through a gemstone, a critical factor in determining a gemstone's brilliance and visual appeal.

Regalia refers to elaborate jewelry, including crowns and scepters, symbolizing royal or ecclesiastical authority. These opulent ornaments hold cultural and historical significance as symbols of power and prestige.

A regard ring is a sentimental piece featuring gemstones corresponding to the first letters of the words: Ruby, Emerald, Garnet, Amethyst, Ruby, and Diamond. It symbolizes affection and emotional connection through gemstones.

The Regent Diamond, also known as the Pitt Diamond, is a famous gem with historical significance. Its large size and exceptional cut contribute to its reputation as one of the world's most renowned diamonds.

Hans Reimer, a historical figure active during the Renaissance period, is associated with jewelry craftsmanship. His work reflects the artistic and intricate styles of Renaissance jewelry.

A reliquary is an ornate container used for the storage and display of religious relics or sacred objects. Often adorned with intricate designs, these containers hold cultural and religious significance.

A reliquary cross is a cross-shaped container designed to hold religious relics. Adorned with intricate designs and gemstones, it serves as both a religious artifact and a piece of decorative jewelry.

A reliquary pendant is a pendant-shaped container for religious relics, worn as a piece of jewelry. These pieces often feature intricate designs, combining the sacred with the aesthetic in a wearable form.

Reloj in Portuguese refers to a clock or timepiece, possibly used in the context of jewelry or horology. The term captures the cultural and historical aspects of timekeeping in Portuguese-speaking regions.

Renaissance jewelry, created during the Renaissance period, is known for its elaborate designs, intricate details, and the use of precious materials. It reflects the artistic and cultural richness of the Renaissance era.

The process of fixing or restoring damaged jewelry, addressing issues such as broken clasps, missing stones, or bent prongs.

Repoussé is a metalworking technique where the metal is shaped or ornamented from the reverse side, creating a design in relief. It involves hammering or pressing the metal to create intricate patterns and textures.

In the context of jewelry, reproduction refers to the creation of a copy or imitation of a piece of jewelry, often replicating a historical or antique design.

The process of replacing or restoring prongs on a piece of jewelry, ensuring the security of gemstones in their settings.

Resilla is a technique in jewelry making that involves weaving or netting fine wires to create delicate, lacy designs. It's a method commonly used in filigree work.

Resin in jewelry refers to a synthetic material often used as a substitute for natural gemstones. It can be transparent or include embedded objects, offering versatility in design.

Resin opal is a man-made material designed to mimic the play of colors seen in natural opals. It is created using resin infused with reflective particles, providing a captivating aesthetic.

Sustainable and ethical mining practices that minimize environmental impact and support local communities, promoting responsible sourcing of raw materials.

Ethical procurement of materials, ensuring they are obtained under fair and sustainable conditions, supporting social and environmental responsibility.

An appraisal conducted for the purpose of buying or selling jewelry, providing an estimated value based on market conditions and the item's characteristics.

Retinalite is a term used for a type of gemstone, possibly with optical properties resembling the retina. It could refer to a specific gem or a trade name for a particular variety.

Jewelry design style popularized during the 1940s, characterized by bold and flamboyant designs, often influenced by the Art Deco movement.

A reverse intaglio crystal is a carved gemstone with an engraved design on the flat back, viewed through the front. This technique creates a magnified, three-dimensional effect.

A revolution ring typically refers to a ring with a rotating or spinning element. It may have a central component that moves independently, adding an interactive and dynamic aspect to the design.

Rhinestones are imitation gemstones, often made of glass or acrylic, with a faceted surface to simulate the sparkle of real diamonds. They are commonly used in costume jewelry.

Historically used in jewelry, rhinoceros horn refers to the material obtained from rhino horns. Due to conservation concerns, its use is now illegal, and alternatives are sought.

Rhodian jewelry refers to jewelry produced on the island of Rhodes, known for its craftsmanship and intricate designs. It often reflects the historical and cultural influences of the region.

A type of metal plating often used on white gold to enhance its appearance and prevent tarnishing, creating a reflective and durable surface.

Rhodochrosite is a beautiful pink to rose-red mineral often used as a gemstone. It's valued for its unique color and can be cut and polished for use in various types of jewelry.

Rhodolite is a type of garnet that ranges in color from pink to purplish-red. It is a popular gemstone for jewelry and is known for its brilliance and attractive hues.

Rhodonite is a pink to red mineral often used as a gemstone. It can exhibit black manganese oxide veining, adding to its appeal. Rhodonite is used in beads, cabochons, and carvings.

Ribbon jasper is a type of jasper characterized by its banded or ribbon-like patterns. It is often used in jewelry as cabochons, beads, or other carved forms, showcasing its unique designs.

A ribbon necklace is a type of necklace design that features a flexible, ribbon-like element, either as the chain itself or as an embellishment in the overall design.

Ribbon style in jewelry design refers to a motif or pattern that resembles the appearance of a ribbon, often used in various elements such as settings, metalwork, or decorative features.

A ribbon torc is a type of torc, a large rigid or semi-rigid neck ring, that incorporates ribbon-like elements in its design. It combines the traditional torc structure with a ribbon aesthetic.

In jewelry, a ring is a circular band typically worn on the finger. Rings can be made from various materials and may feature gemstones, intricate metalwork, or unique designs.

The measurement of the circumference of a finger to determine the appropriate ring size, ensuring a comfortable and secure fit.

A ring brooch is a hybrid jewelry piece combining elements of both rings and brooches. It typically features a ring that can be worn on a finger and a brooch component for attachment to clothing.

A ring clip is a small device used in jewelry making to secure or fasten various components of a ring, such as settings or stones. Jewelers often use ring clips to ensure the stability and durability of the final piece.

A ring dial is a specialized tool employed by jewelers for precise measurements in ring sizing. It typically consists of a circular gauge with marked increments, allowing for accurate adjustments during the crafting process.

Ring money refers to a form of ancient currency made in the shape of a ring. These rings, often crafted from valuable metals, were used as a medium of exchange and are considered artifacts providing insights into historical economic systems.

A ring-terminal torc is a distinctive type of ancient neck ring characterized by its elaborate terminals shaped like rings. This form of torc, popular in certain historical periods, showcases the craftsmanship of ancient metalworkers and their attention to both aesthetic and functional details.

Ringerrike style is a specific design aesthetic in jewelry characterized by intricate patterns and detailing inspired by traditional Norse art. This style, rooted in Norse mythology and symbolism, is often seen in various types of adornments, reflecting the rich cultural heritage of the region.

In the context of gemology, "river" refers to the appearance of a diamond or other transparent gemstone, where tiny internal fractures or inclusions create a flowing, river-like effect. This characteristic can influence the gem's clarity grade and is an important consideration for both gemologists and buyers.

Riveting is a jewelry technique involving the use of small metal rivets to connect different components securely. This method is commonly employed in the construction of pieces where soldering might not be suitable, offering a durable and aesthetically pleasing means of joining metals in jewelry making.

The term "rivière," in French, translates to "river" and is used in jewelry to describe a style of necklace featuring a single or double row of gemstones, typically diamonds or other precious stones, in a continuous, flowing line. Rivière necklaces are known for their elegant and timeless design.

Rock 'ruby is a colloquial term sometimes used to refer to corundum crystals with a red color, commonly found in metamorphic rocks. While not suitable for gem cutting, these specimens showcase the mineralogical diversity of rubies and can be of interest to collectors and enthusiasts.

Rock crystal is a transparent, colorless variety of quartz that has been highly valued for centuries for its clarity and ability to be cut into gemstones. In addition to its use in jewelry, rock crystal has been employed for various ornamental and ritualistic purposes throughout history.

The term "rock turquoise" refers to natural turquoise found in its host rock, often in a matrix of other minerals. This type of turquoise is valued for its unique patterns and colors, with the host rock contributing to the stone's overall aesthetic.

Rococo is a design and artistic style that emerged in the 18th century, characterized by ornate and elaborate forms. In jewelry, the Rococo style is evident in pieces featuring intricate scrollwork, asymmetry, and delicate details, reflecting the broader artistic trends of the time.

Rolled gold is a material commonly used in jewelry, consisting of a thin layer of gold bonded to a base metal through a mechanical process. This technique results in a more affordable yet durable alternative to solid gold, making it popular for a range of jewelry items.

The Roman Charity, also known as Caritas Romana, is a legendary story from ancient Rome depicting a daughter secretly breastfeeding her imprisoned father to save him from starvation. This theme has been depicted in various art forms, including jewelry, as a symbol of selfless love and sacrifice.

The term "Roman Pearl" historically referred to a variety of objects, including natural pearls and pearl-like gemstones, highly valued in Roman society. These items were often used in jewelry, serving as symbols of beauty and luxury among the Roman elite.

Roman gold refers to gold artifacts and jewelry created during the Roman Empire, showcasing the craftsmanship and artistic preferences of the time. These items often feature intricate designs and were worn by individuals across different social classes, serving both ornamental and symbolic purposes.

Roman jewelry encompasses the diverse range of adornments worn by individuals during the Roman period, reflecting the social, economic, and cultural aspects of Roman society. These pieces include rings, earrings, necklaces, and bracelets, often crafted with intricate details and a variety of materials.

Roman setting is a style of gemstone setting in jewelry design inspired by ancient Roman techniques. This setting often involves placing gemstones in a decorative, openwork setting, allowing light to enhance the brilliance of the stones and showcasing the jeweler's skill in metalwork.

Giulio Romano, also known as Giulio Pippi, was an Italian Renaissance artist and architect known for his contributions to painting and design. While not primarily a jeweler, his artistic influence extended to various decorative arts, influencing the aesthetic of jewelry during the Renaissance.

Romano-British jewelry refers to the diverse range of adornments worn by individuals in Roman Britain, showcasing a blend of Roman and local Celtic influences. These artifacts provide valuable insights into the cultural exchange and hybrid styles that emerged during this historical period.

A rondelle is a small, flat, disc-shaped bead often used in jewelry making. It can have a smooth or faceted surface, and it's commonly used as a spacer between other beads, adding visual interest to necklaces and bracelets.

A rope chain is a type of chain characterized by its twisting pattern, resembling a rope. This design adds elegance and durability to the chain, making it a popular choice for necklaces and bracelets.

A rosary is a string of beads used in prayer and meditation, especially in the Catholic tradition. It consists of groups of beads separated by larger beads, used to count prayers and meditations.

In gemology, "rose" can refer to a cut style where the top of the gemstone is smoothly rounded, resembling the shape of a rosebud. This cut is often used for diamonds and other gemstones, imparting a vintage and romantic aesthetic.

A gold alloy with a reddish tint due to the presence of copper, a popular choice for its warm and romantic appearance.

The rose cut is a gemstone cut that features a flat base and a faceted dome, creating a rose-like appearance. It was popular in antique jewelry and is known for its subtle glow and vintage charm.

A rose diamond is a diamond that has been cut in the rose cut style, featuring a domed shape with facets that resemble the petals of a rose. This cut was prevalent in jewelry during the 18th and 19th centuries.

Rose quartz is a pale pink to rose-red variety of quartz. It is often used in jewelry and is associated with love and healing properties.

The rose recoupée cut is a specific diamond cut that combines elements of both the rose cut and the brilliant cut. It typically has a circular shape with a faceted dome, creating a unique and eye-catching appearance.

Rose topaz is a variety of topaz that exhibits a pink to reddish-pink color. It is a popular choice for gemstone jewelry, symbolizing romance and affection.

A rosette in jewelry design refers to a decorative element resembling a rose. It can be a central motif in a piece of jewelry, often used to enhance its aesthetic appeal.

The Rosser Reeves Star Ruby is a famous star ruby known for its well-defined asterism or star effect. It is a large and valuable gemstone named after its owner, advertising executive Rosser Reeves.

A rosée pearl is a pearl with a pinkish or rosy overtone. These pearls are prized for their unique and romantic coloration, making them a popular choice in pearl jewelry.

Israel Rouchomowsky was a jeweler who flourished between 1870 and 1906. His work is associated with the Art Nouveau period, characterized by intricate designs and the use of enamels and colored gemstones.

In gemology, rough refers to uncut and unpolished gemstones as they are extracted from the earth. It represents the raw, natural state of a gem before it undergoes the cutting and polishing processes.

Roumanite is a type of pink to red gemstone, often a variety of garnet. It is valued for its vibrant color and is used in jewelry, especially in settings where its intense hue can be showcased.

A traditional and popular diamond cut with a circular shape and a brilliant facet arrangement, known for its exceptional sparkle.

Round, in the typically refers to a gemstone cut in a round shape. The round cut is one of the most popular and classic cuts, maximizing the stone's brilliance and fire. It is commonly used for diamonds and other precious gemstones.

The Royal 144 cut is a specific diamond cut known for its 144 facets, providing exceptional brilliance and sparkle. It is designed to enhance the natural beauty of the diamond and is often used in high-end jewelry.

The Royal Rings refer to a collection of significant rings historically associated with royalty. These rings often hold symbolic meaning and are adorned with precious gemstones, showcasing the opulence and heritage of royal families.

The Royal cut is a diamond cut characterized by its precise facets and exceptional brilliance. It is designed to maximize the play of light within the diamond, creating a stunning visual impact.

A royal mourning ring is a type of ring historically given as a memento of a deceased royal family member. It often features symbols of mourning, such as black enamel or specific gemstones associated with mourning.

A royal portrait ring is a ring featuring the portrait or likeness of a member of a royal family. These rings are often crafted with great attention to detail and can be significant historical or commemorative pieces.

A signet ring traditionally associated with royalty, featuring a distinctive royal insignia or crest. These rings were often used to seal important documents and signify the authority and authenticity of royal decrees.

Rub-over setting is a jewelry technique where the gemstone is enclosed by metal from all sides, providing a smooth, secure, and protective setting. This method enhances the durability of the setting and offers a sleek, modern aesthetic.

Rubasse is an ancient term for a ruby, emphasizing the gemstone's red color and historical significance. In historical texts, the term Rubasse was used to describe rubies, highlighting their precious and vibrant nature.

Rubellite is a captivating pink to red variety of tourmaline, prized for its vibrant and rich color. This gemstone is sought after in jewelry for its unique hues and is often associated with love and passion.

Rubicelle is a historical term for a ruby, often used in ancient texts and literature. In historical contexts, the term Rubicelle conveyed the esteemed status of rubies, emphasizing their significance as precious red gemstones.

Ruby, a precious gemstone known for its deep red color, belongs to the corundum family and holds great value in the world of gemology. Rubies symbolize passion and power, making them highly coveted for jewelry and royal adornments.

Ruby spinel is a gemstone that combines the qualities of both ruby and spinel, often displaying a rich red color reminiscent of rubies. This unique gemstone is valued for its beauty and rarity, making it a prized choice for jewelry connoisseurs.

Ruin agate is a captivating type of agate with distinctive patterns resembling landscapes or architectural ruins. These mesmerizing patterns are formed by the intricate arrangement of mineral deposits, creating one-of-a-kind gemstones.

Rundell, Bridge & Rundell was a historic jewelry firm that operated in London. Renowned for their exquisite craftsmanship, they created timeless pieces, including jewelry for royalty, leaving a lasting legacy in the world of jewelry design.

Russian jewelry represents pieces originating from Russia, known for distinctive styles and craftsmanship. Influenced by the country's rich cultural heritage, Russian jewelry often features intricate designs and historical motifs, reflecting a unique artistic identity.

Jewelry designed with an intentionally rough or unpolished appearance, often featuring organic materials for a natural and earthy feel.

Rutilated quartz is a captivating variety of quartz containing needle-like inclusions of rutile. These inclusions create striking patterns within the gemstone, enhancing its beauty and adding a unique element to jewelry designs.

Rutile is a mineral commonly found as needle-like inclusions in gemstones. In quartz, rutile inclusions can create fascinating visual effects, adding depth and character to the gemstone. Rutile's unique appearance enhances the allure of the host gemstone.