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The American Gem Society (AGS) is a trade association of retail jewelers, independent appraisers, suppliers, and selective industry members, which was founded in 1934 by Robert M. Shipley. The Society is based in Las Vegas, Nevada , along with the affiliated American Gem Society Laboratories (AGSL) (founded in 1996) and the American Gem Society ...
Hughes graduated from the Asian Institute of Gemological Sciences (AIGS) in Bangkok, Thailand, in 1980, and became a Fellow of the Gemmological Association of Great Britain (F.G.A.) in 1982. He was the director of AIGS during the 1980s, and also served at the American Gem Trade Association’s gemological laboratories in California and New York ...
Pages in category "Gemological laboratories" The following 12 pages are in this category, out of 12 total. ... American Gem Society; Asian Institute of Gemological ...
The first US graduate of Gem-A's diploma course, in 1929, was Robert Shipley, who then established both the Gemological Institute of America and the American Gem Society. There are now several professional schools and associations of gemologists and certification programs around the world.
The probe unearthed Midtown lab workers' contact with clients, an act which is prohibited by GIA code of ethics. The fraudulent ratings and GIA code of ethics violations were acknowledged by then chairman of the GIA, Ralph Destino. The internal probe ended in October 2005, resulting in the firing of four lab workers and the head of the laboratory.
In 1942, as Director of Education, Liddicoat developed an intensive one-week lab class that was launched at the American Gem Society (AGS) Conclaves in Philadelphia and Chicago. The class gave jewelers the opportunity to work with equipment in a classroom setting under the guidance of GIA instructors.
American Gem Society (AGS), also known as American Gemological Society – American trade association; American Geosciences Institute (AGI) – Nonprofit scientific federation including around 50 geoscientific organizations founded in 1948; American Geophysical Union (AGU) – Nonprofit organization of geophysicists
It was cut to 1.09 carats (220 mg) in 1997, and graded a "perfect" 0/0/0 by the American Gem Society (AGS) in 1998 and graded perfect by the Gemological Institute of America, making it the first diamond from Arkansas to receive such an AGS grading. The diamond is considered one-in-a-billion, according to Peter Yantzer, the AGS Laboratory ...