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Summer 2016 Gems & Gemology Cover
Gems & Gemology Spring 2016 Cover
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.

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Summer 2017 Gems & Gemology
G&G Summer 2017 Edition
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