DiamondDekho provides educational reference tools and indicative data. It is not a live trading platform. All prices are indicative and do not constitute offers to buy or sell.
Professional tools, live market data, and global resources — the daily starting point for the diamond industry.
Not a live trading marketplace • Educational & Reference Only
Fast, precise calculators built for daily use on the trading floor.
Generates indicative baseline values (Not real-time market offers).
Standard Round Brilliant approximation metrics.
Calculate trade margins instantly.
Calculate % off Rapaport list price.
USD to major diamond trade currencies.
Total lot value from price per carat.
Side-by-side price delta comparison.
Get selling price from cost + desired markup.
Estimate carat from L × W × D (Round Brilliant).
Composite quality score across all 4Cs.
Enter a report number to verify directly on the lab's official site.
Live gold spot price and GIA grading reference. Not a live diamond trading ticker.
| Color Grade | Category | Clarity Grade | Category |
|---|---|---|---|
| D, E, F | Colorless | FL, IF | Flawless |
| G, H, I, J | Near Colorless | VVS1, VVS2 | Very Very Slightly Included |
| K, L, M | Faint Yellow | VS1, VS2 | Very Slightly Included |
| N–Z | Light–Very Light | SI1, SI2 | Slightly Included |
GIA grading scale reference. Source: gia.edu
The global diamond trade relies on standardized reporting. Access the major certification authorities.
Gemological Institute of America
The industry standard. Traders rely on GIA for its strict grading, especially for D-Z color scales and flawless clarity stones.
Official Verify Tool →International Gemological Institute
Highly popular in European and Asian markets. Widely adopted for lab-grown diamond certification and finished jewelry.
Official Verify Tool →Hoge Raad voor Diamant
Antwerp's premier laboratory. Frequently used by European dealers and highly respected for precise technological analysis.
Official Verify Tool →Locate stone
Check GIA/IGI
Use Dekho Tools
Assess Margin
Contact Supplier
Live status of major diamond trading centres.
Live news from the diamond and jewelry trade press.