No laboratory assigns a grade for the proportion of a fancy shape diamond.
Fancy cut diamond proportions.
What cut proportions are best for a fancy color diamond.
Ideal cut diamond proportions and brilliance.
This is the primary reason why many beginners find it hard to assess diamonds as there is no reference or cut.
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.
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.
The best cut is one that gives the most attractive face up color.
This article has two sections.
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.
Very small 0 02 carats 4 mg diamonds known as melée are usually given simplified cuts i e with fewer facets this is because a full cut brilliant of such small size would appear milky to the human eye owing to its inability to resolve the stone s dispersive fire conversely very large diamonds are usually given fancy cuts with many.
Screenshot of fancy cut diamond grading report from gia.
2 reasons why well cut fancy shape diamonds are so difficult to buy.
The size of a diamond may also be a factor.
