The gia system places more emphasis on the overall appearance of the diamond as opposed to any single set of proportions.
Gia ideal cut diamond proportions.
Ideal cut diamond proportions and brilliance.
If you badly want a super ideal cut diamond that is also a hearts and arrows diamond i recommend you go and check out brian gavin and whiteflash.
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.
What to look for your eye sees those proportions working together for better or worse when you look at a diamond face up.
In the first section we will provide our best summarized insights on ideal proportions for round and non round fancy shape diamonds.
This article has two sections.
In this post we ll focus on proportions represented by the diamond diagram that appears on all gia diamond grading reports and gia diamond dossiers.
If a diamond is only slightly outside of super ideal cut proportions it will not matter that much.
The seller is asking for 8175 for a 1 33 round gia vs2 i color triple ex stone no fluorescence.
But the more a diamond is within super ideal cut proportions the better the light performance will be.