Dr. James Shigley


Dr. Shigley, a Distinguished Research Fellow at the Gemological Institute of America, is the author of many articles on diamonds and other gemstones, and a well-known speaker on gemological topics to both professional and general audiences.  Dr. Shigley helps direct GIA’s research activities on the identification of natural, synthetic, and treated diamonds, colored stones and pearls. In his current position as Distinguished Research Fellow, he continues to advance GIA's gem research program to support the jewelry trade to meet the challenges of gem identification.

2012 Las Vegas Conference - May 31, 2012

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