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

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