Princess Gridle Thickness?

[hanny66]

I''m considering buying a princess cut diamond with a gridle of thin to extremely thick. Should I avoid "extremely thick" girdles, even if it ranges from "thin" to "extremely thick"?

The rest of the characteristics look pretty good

1.22
H
VS2
depth 67%
table 77%
cutlet none
polish very good
symmetry good
flouresence none
6.12 x 5.95

 

[talen316]

I''m no expert, but I just went through the process of buying a PR stone and will share what I had read and otherwise been advised...

General rule of thumb is to avoid girdles that are EX TN or EX TK. With an EX TK you may be sacrificing some ct weight that is "hidden" in the girdle. Also, one of the jewelers I had spoken to that designs rings told me that EX TK girdles can sometimes be difficult to work with sometimes depending on the setting type (ex. bezels).

Where the girdle varies into the EX TK range on the stone may also play a determining factor as to whether or not it presents any major concerns.

Again, not an expert, but I''m wondering if an EX TK girdle could have an adverse impact on what is considered to be the generally desired target crown height % of 10-15% which in turn might affect light performance??? I''m not sure how much that would come into play, if at all, but something I was curious about myself so perhaps one of the experts can advise on that.

Hopefully, you''re buying from someone that is honest and has the expertise to advise you on whether or not the girdle on that particular stone will present any potential issues for you.

 

[Italiahaircolor]

Hi there!

I have a princess cut...with a medium girdle. I would suggest not buying an "extreme" meaning either thin to extremely thick. I am wondering if the girdle varies in the particular diamond you''re looking at...

I would be cautious with this stone.

 

[polo01]

this is the response I got from uniondiamonds.com when I asked the same exact question.

"However, since the diamond you’re looking at is a Princess Cut, you actually *want* a somewhat thicker girdle. This is because the setting of most of the stones is just corner to corner, which leaves the girdle exposed on the sides. Having a slightly thicker girdle than you’d normally want to have on some other cuts is actually what protects the stone from damage from any impact that the diamond might take during normal wear and tear—being hit against the corner of a table, etc—that just happens. If you had a thinner girdle, you risk that stone being more vulnerable to chipping."