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AG&J Responds to GIA Decision to Grade LGD
New York: Analytical Gemology and Jewelry head Mr. Dusan Simic has launched a response to the decision of the GIA to grade laboratory-grown diamonds in
22 October 2020
New York: Analytical Gemology and Jewelry head Mr. Dusan Simic has launched a response to the decision of the GIA to grade laboratory-grown diamonds in