Martha Altobelli, Paul Johnson, and Kyaw Soe Moe, January 31, 2014
It is a rare occurrence when a diamond simulant submitted to a GIA laboratory turns out to be a natural gemstone.
Read MoreRussell Shor, June 12, 2015
G&G Brief presents an overview of the content of the Spring 2015 issue of Gems & Gemology.
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