Rough, Raw, Uncut, Crude Diamond Prices in Anwerp World Diamond Centre         updated January 2019​
How to calculate rough diamond prices Read more about: Antwerp Diamond Exchange, World Diamond Centre 
Rough diamonds explained. 
Know the difference in price between Octahedals, sawables, makeables, naads, coaters and more.
There are no standard prices for rough diamonds
Each diamond is unique, 
also the yield from each rough diamond is unique...
How to calculate rough diamond prices

To purchase at Ajediam, please: 
- indicate your budget 
- make an appointment to visit. There is a waiting list.
- viewing rough diamond parcels, Kimberley Certified only, 
- pay by Bank Wire Transfer and collect your rough
- Send an Email

How to calculate rough, raw, crude, uncut diamond prices.
Estimated selling prices:  

Fine Rough: from + US $ 2,600 per carat 

Commercial Rough: from + US $ 1,500 per carat

for the rough goods weight from 2.50 to 4.00 carats, 
fine and Commercial. 
Fine are better goods and priced about 50% higher than Commercial.

Determining prices of rough diamonds starts by evaluation of rough diamonds.
This requires a specific gemological knowledge as well as general expertise, structure analyzing about cutting during sorting technics by:
Classification of rough jewelry diamonds and industrial diamonds:
- Sorting by shape: octahedral, cubic, macle, and dodecahedron crystals, 
  determining their ultimate form in the rough
- Sorting by weight and size.
- Sorting by color.
- Sorting by distortions. 
- Sorting by clarity, structure and structural defects: external and internal inclusions, 
  cliveages, marks, naart, maccles... 
- Analyze to determine if a rough diamond is to be cleaved, sawed or retained. 
- Analyze and detect of strain and stress within the internal molecular structure by 
- Sketching of rough diamonds pinpointing impurities within the diamond. 
Detect fake diamonds from natural, synthetic, replica, artificial and fake rough diamonds such as rough glass diamond coated.

Learn how to calculate rough diamond prices by diamond quality evaluation course at HRD, the Diamond High Council - AWDC
Detailed different actual polished diamond prices per carat price steps

0.01 to 0.03 carat

0.04 to 0.07 carat

0.08 to 0.14 carat

0.15 to 0.17 carat

0.18 to 0.22 carat

 0.23 to 0.29 carat

0.30 to 0.37 carat

0.38 to 0.49 carat

0.50 to 0.69 carat

 0.70 to 0.89 carat

0.90 to 0.99 carat

1.00 to 1.49 carat

1.50 to 1.99 carat

2.00 to 2.49 carat

2.50 to 2.99 carat

3.00 to 3.49 carat

3.50 to 3.99 carat

4.00 to 4.49 carat

4.50 to 4.90 carat

5.00 to 5.49 carat

Fancy colors

Rough Diamonds

Synthetic Diamonds
parcel rough diamonds
Rough diamond prices will rise due to increasing rarity and high excavation cost.
New: Tracing diamonds from Mine to Market to fight against fraud. Read more about on breaking news.

Fluorescence in natural unearthed diamonds is a guarantee that it are Natural Diamonds

View historical pricing evolution graph 1960 - 2019
 Email     or call +32 3 233 29 90 
Antwerp World Diamond Centre, Diamond Exchange, Hoveniersstraat 2, Antwerp / Belgium / Europe
Alrosa rough diamond weighing 145.44 carats
Create your own Perfect Engagement Ring
Buy now diamond rings according to your ring size
This page was last updated on: January 16, 2019
​Copyright Ajediam All rights reserved
analysis of your needs
100% secured site
100% secured site
Rough exist in several types: 

  • Octahedals, 

  • sawables,

  • makeables, 

  • naad, 

  • coaters 

  • and more… 

Precise what you want please!