GIA GemFest Hong Kong will feature presentation on colored diamonds

The Gemological Institute of America’s (GIA) GemFest Hong Kong, a free educational event, will feature a presentation by colored diamond expert John King, laboratory projects officer for the GIA Gem Laboratory. GemFest Hong Kong is scheduled for Sept. 20 from 8:30 to 10:30 a.m. at the Hong Kong Convention and Exhibition Centre, Meeting Room 201A.

King will present “Trends in Fancy Colored Diamonds” beginning at 9 a.m. He will give a brief overview of some of the reasons behind the increased interest in diamonds over the past 20 years and discuss the reasons behind a systematic approach to grading colored diamonds. A question and answer period will follow his presentation.

With almost 25 years of laboratory experience, King has written about and frequently lectures on colored diamonds and laboratory grading procedures. He has written a number of articles for GIA’s award-winning quarterly journal, Gems & Gemology, most notably, “Color Grading of Colored Diamonds in the GIA Gem Trade Laboratory.”

GemFest Hong Kong is held in conjunction with the Hong Kong Jewellery and Watch Fair, the largest jewelry exhibition in Asia, scheduled Sept. 17-21. Because space is limited, those interested are encouraged to register for GIA GemFest Hong Kong by visiting the GIA Alumni Association Web site at, e-mailing or, or calling in Hong Kong: +852.2303.0075 or in the U.S. (760) 603-4205.

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