Wednesday, 18 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

What Will Become of the Final Diavik Diamond?

  Earlier this month, the Diavik Diamond Mine officially ceased operations, drawing to a close a remarkable 23-year chapter in Canada’s diam...