Thursday, 19 March 2015

HPHT-Grown Synthetic Diamonds Examined in GIA’s Hong Kong Laboratory



These two large synthetic diamonds were produced using HPHT growth methods by the Russian firm New Diamond Technology. The 4.30 ct specimen on the left has D color and SI1 clarity. On the right is a 5.11 ct sample with K color and I1 clarity. Photo by Wuyi Wang. 
4.30 ct specimen on the left has D color and SI1 clarity. On the right is a 5.11 ct sample with K color and I1 clarity

Red more: GIA

No comments:

Post a Comment

Protect Your Jewellery, How to Check Your Jewellery Before You Lose It.

  Fine jewellery is designed to be worn and enjoyed, but even the best-made piece will experience wear over time. The metal that holds your ...