(Closed) What determines a good cut in a diamond?

posted 7 years ago in Rings
Post # 3
Member
525 posts
Busy bee

I used the GIA report first of all (I made sure it was Excellent cut) and then double checked it using the Holloway Cut Advisor because not all GIA Excellents are equal. I aimed for an HCA score of under 2.

Post # 4
Member
1458 posts
Bumble bee
  • Wedding: January 2015

The Holloway Cut Advisor, however, is meant to help you weed out worse cuts.  For instance, a diamond with an HCA score of 2.3 isn’t going to be good, and you should probably keep looking.  But if you find two diamonds, and one is a 0.4 and the other is a 1.2, then since they’re both under 2, it’s really your personal preference because they’ll look slightly different but they’re both ‘excellent’.

Try to find a handful of diamonds on the internet (bluenile, jamesallen, goodoldgold, etc.) then go over to the forums on pricescope.com and ask them which ones they think are the best.  They are true experts, and not biased by company.  You also get a little bit of a discount if you search for a diamond through pricescope, and are a member of the boards!

Post # 5
Member
525 posts
Busy bee

@GoldfishPie: That’s a really good point actually, I should have said that it’s only to be used as a rejection tool.

Post # 6
Member
286 posts
Helper bee
  • Wedding: July 2011

For me, (and i’m a real perfectionist) has to be at least GIA excellent cut or AGS ideal. I want it to have excellent or ideal symmetry and polish as well. For a round, I perfer it to be old mine or hearts and arrows non modified. I like my table to be between 55-57% so it’s not too spready. And have a killer ideal scope picture with superior performance above what is normally expected by GIA or AGS. Lucky for me, Fiance felt the same way. I wouldn’t go for just the certificate because I actually had a few “excellent” by GIA stones com in and they didn’t match what I wanted. They were excellent cut but not what I wanted. I needed to be in the top proportions of GIA excellent and AGS ideal. 

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