Ideal Cut Diamonds explained.  
Ideal proportions, measurements for perfect diamond cutting 
Learn about best cut

The Cut is the most important element to reflect brilliance 
It is determinable by 3 separate descriptions :

The sparkling quality of the ideal cut is to be determined by 3 separate factors:

1. Proportions
2. Polish
3. Symmetry of all facets

Important Notice
If you are not a professional or familiar with the cut grading, trust 
the second opinion of the Expert, the independent Grading by a 
reputable Gemmological Laboratory. Best view the diamond loose 
and its genuine grading document at the diamantaire.
With the right proportions a brilliant round diamond will be called 
'ideal cut', not an 'official' term to describe cut quality by the way.
Ideal Cut 
How Diamond Laboratories grade Cut - Polish - Symmetry 
View image of certified ideal cut 

1. Proportions: 

2. Polish

3. Symmetry

4. Hearts and Arrows
Premium Ideal Cut: Hearts & Arrows is the Art of cutting and for far the best cut!

Ideal cut diamonds, Hearts and Arrows and Triple Excellent command a price premium 
in the world's market reflecting by far the real value -  most expensive!

 Email     Tel: +32 3 233 29 90 
Antwerp World Diamond Center, Diamond Exchange, Hoveniersstraat 2, Antwerp / Belgium / Europe
This page was last updated on: February 22, 2016
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loss volume cutting and polishing, image
76% Loss of rough diamond by cutting EX EX EX