It’s now been 20 years since GIA published this seminal work on diamond fire. If you’ve ever seen table size recommendations and wondered how they know that those are the best sizes, well, this is one of the studies that shows us how diamonds produce fire.
Some of the pages may be hidden if you don’t have a Scribd subscription (ok, what? why not!?), you can sign up and read for free for 60 days if you this link: https://www.scribd.com/g/p1dsh (Tip: if you do keep your subscription after 60 days go for the annual subscription option rather than the monthly one to save big.)
[…] How do you get good sparkle? Sparkle is 100% a result of the quality of the cut. […]
[…] This is based on the research done by GIA and AGS some of which you can read here: The Study That Revolutionized What We Know About Diamond Fire. […]