Determine the exact price of a diamond by quality variations / different factors!
Prices vary from minus 60% to Premiums of + 50%
Transparency in diamond prices according to over one million diamond quality differences and failures in Cut, Polish, Symmetry, Finish Grade, Fluorescence, Girdle Thickness and Clarity.
Adjust the price in function of the quality in addition to the Rapaport standard.
Consider the girdle thickness as an additional important quality variation. With a very thin girdle the diamond can easily break!
Avoid buying diamonds with very thin girdle thickness.
Source: Antwerp World Diamond Center
The factors that make diamonds more or less expensive in price. Read more about the 8C's:
+ 7% for Nil Fluorescence in addition to all other quality factors
+ 29% for EX EX EX, Hearts & Arrows Super Ideal Cut
+ 25% for Triple Excellent Cut
Very Very Rare
- 30% for Unusual and Fancy Cut
+ 12% for Mixed Excellent, Very Good Cut
+ 10% for Triple Very Good Cut
+ 0% for Mixed Very Good and Good Cut
- 25% for Mixed Good and Fair cut
+ 50% for EX EX EX H&A Super Ideal Cut and FL Flawless
only a few in the world market
This page was last updated on: March 20, 2017
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Antwerp World Diamond Center, Diamond Bourse, Hoveniersstraat 2, Antwerp / Belgium / Europe