Labs identify coated tanzanite treatment
New York—Two gemological labs that specialize in colored-gemstone identification have identified a new non-permanent type of tanzanite treatment that requires disclosure at the point of sale.
Enhancement-disclosure requirements now on video
New York—A discussion of the risks and requirements of enhancement disclosure featuring Robin Spector of the Federal Trade Commission (FTC), Cecilia Gardner of the Jewelers Vigilance Committee...
JVC to discuss gemstones, rough diamonds at JA
New York—The Jewelers Vigilance Committee (JVC) will present seminars on colored-gemstone compliance and rough-diamond requirements for traders at the upcoming JA New York Summer Show.
Gemologists face growing array of treatments
Tucson, Ariz.—As the gemological community races to keep up with the latest treatments, one thing seems clear: Gemstone treaters, and those who sell their gussied-up wares, are speeding ahead,...
World of Gems Conference names speakers
Glenview, Ill.—The World of Gems Conference, co-hosted by Gemworld International Inc. and the American Gem Trade Association Gemological Testing Center (AGTA-GTC), have announced the speaker...
Latest 'Gems and Gemology' features pink-to-red coral
Carlsbad, Calif.—The Spring 2007 edition of the Gemological Institute of America's (GIA) award-winning "Gems and Gemology" journal is now available, featuring articles on pink-to-red coral, a...
Gem classification, origin topics at AGA conference
San Diego, Calif.— The Accredited Gemologists Association (AGA) will host a conference in Tucson on Jan. 31 to discuss such topics as synthetic-diamond nomenclature and gemstone classification...
World of Gems Conference debuts
Dallas—The first World of Gems Conference, held in Chicago from Sept. 13-14, had a strong debut, with industry experts educating attendees on current issues in the jewelry trade, according to...
Mayerson joins AGL's gemologist team
New York—The American Gemological Laboratories (AGL) has named Wendy Mayerson, who specializes in two AGL cornerstone services—color-origin analysis and treatment detection—as its...
AGL to host colored-stone-grading seminar in Tucson
New York—Retailers and gem experts will have a chance to debate the challenges and benefits of colored-stone grading, enhancement disclosure and country-of-origin reports when the American...
Colored-gem treatments top topic at AGA conference
Tucson, Ariz.—Colored-gemstone treatments and the issues surrounding them will be the featured topic of the Accredited Gemologists Association (AGA) 2008 Tucson Conference taking place next...
AGA conference to focus on latest gem treatments
Tucson, Ariz.—With more gemstone varieties being treated than ever before, the Accredited Gemologists Association (AGA) will use its 2008 Tucson Conference to ensure that gemologists are in the...
AGL names new senior staff gemologist
New York—American Gemological Laboratories (AGL) has appointed colored-stone specialist Elizabeth P. Quinn, B.Sc, G.G., FGA, as senior staff gemologist.
AGL modifies disclosure policy on lead-glass-filled rubies
New York—The American Gemological Laboratories (AGL) has modified its disclosure policy regarding lead-glass-filled rubies.
News, research on tap for AGA's Tucson conference
Tucson, Ariz.—In conjunction with the annual gem shows in Tucson, Ariz., this winter, the Accredited Gemologists Association (AGA) will hold its annual full-day conference on Feb. 4, 2009, at...