Monthly Archives: March 2008

Matthew Hall & Donna Beaton, GIA NY

Posted on March 30, 2008 by dcgiaorg

“Diamond Treatments and Synthetics; Current Hot Issues in Colored Stones” This month’s DC GIA meeting featured Matthew Hall, Manager of Identification Services in GIA’s New York laboratory, and Donna Beaton, supervisor of Colored Stone Services at GIA New York. This … Continue reading →

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