Fancy Cut Diamond Proportions

Unlike round diamonds the gia grading reports for fancy shape diamonds do not contain a cut grade which provides an indication of its light performance.

Fancy cut diamond proportions.

This is the primary reason why many beginners find it hard to assess diamonds as there is no reference or cut. The size of a diamond may also be a factor. No laboratory assigns a grade for the proportion of a fancy shape diamond. Ideal cut diamond proportions and brilliance.

The best answer to the question of what are the best proportions of a fancy shape diamond the generic term for an oval cushion cut emerald cut pear shape radiant cut princess cut among others is that there is not any best proportion. Fancy cut any shape other than a round brilliant. Colored diamonds are usually cut to maximize the intensity of their color rather than to maximize light return. 2 reasons why well cut fancy shape diamonds are so difficult to buy.

This article has two sections. In the first section we will provide our best summarized insights on ideal proportions for round and non round fancy shape diamonds. Please note that gia does not assign a cut grade to fancy cut stones such as princess cut or cushion cut yet but still these proportions are critically important in analyzing the cut. Screenshot of fancy cut diamond grading report from gia.

What cut proportions are best for a fancy color diamond.