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Home > Education > Asha® Princess Evaluation
Asha® Princess Evaluation

Independent Evaluation of Asha® Princess Cut by the inventor of the AGA-CERT Diamond cut classes

In our efforts to ensure our Asha® Princess is being cut to the best diamond standards possible, we recently submitted a 1ct. Asha® Princess sample to the inventor of the AGA-CERT cut classes, David Atlas.

Unlike the Hearts and Arrows standards, there are various grades of Princess cuts, but not an "ideal" specification.  The highest class currently is Class 2A Princess cut, which the Asha® princess cut is in.

You can visit the AGA website to learn more at

Report summary:

I have completed the exam of the Asha
® stone. It is pretty much indistinguishable from the princess cut diamonds that were compared with it. These were all AGA Cut Class 2 princess cut diamonds, so I think it was a fair comparison.

The Asha
® was a tad under 6mm square with a weight of 2.238 ct. It is the one you supply as a 1 carat size stone and I figure it would be more like a 1.25 ct size in a diamond based on measurements and the standard formula. This Asha® was a D/E color and flawless or virtually so. I could find nothing internally or externally to call an inclusion or a blemish. No doubt, this degree of polish and care with symmetry combined with specific cutting parameters similar to a well cut princess cut diamond contributes to the brilliancy and sparkle we observed. 

71.7% depth, 60% table, 15.3% crown height were the numbers on this sample stone. It had a slightly thick polished girdle and a closed (pointed) culet.

 I don't think anyone could do a better job on a princess cut and I have no cutting suggestions. It looks better than most princess cut diamonds as it is. 

The three diamonds it was compared to total $15,518 at wholesale cost. I doubt anyone can tell which is which unless they are paying for one of the four.

David S. Atlas
Senior Member, NAJA
Graduate Gemologist, GIA.
Creator of the AGA Cut Class system

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