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The first GIA gemological laboratory was established in Los Angeles in 1931. Shortly thereafter, the institute introduced the "Certified Gemologist" professional designation. [4] Vincent Manson, then Director of Strategic Planning, moved the GIA campus and headquarters to Carlsbad, California. [5]
Contact us; Contribute Help; ... EGL may refer to: Computing. EGL (API) ... European Gemological Laboratory; see Diamond clarity;
Contact us; Contribute Help; ... 2.2.4 European Gemological Laboratory. 3 Clarity grading considerations. ... EGL USA [9] IF VVS 1: VVS 2: VS 1: VS 2: SI 1: SI 2:
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American Gem Trade Laboratory which is part of the American Gem Trade Association (AGTA), a trade organization of jewelers and dealers of colored stones; American Gemological Laboratories (AGL), owned by Christopher P. Smith; European Gemological Laboratory (EGL), founded in 1974 by Guy Margel in Belgium
The first gemological laboratory serving the jewelry trade was established in London in 1925, prompted by the influx of the newly developed "cultured pearl" and advances in the synthesis of rubies and sapphires. [6]
Various labs around the world are using ImaGem's VeriGem device to measure light behavior. DGLA in the US and Mumbai, India, PGGL in the US and EGL-USA are both offering versions of this grading in 2008. DGLA has graded thousands of diamonds with this promising direct assessment technology.
The laboratory's main headquarters is in the Israel Diamond Exchange in Ramat Gan. [2] The GCI has regional labs and educational centers equipped with local and Israeli staff in Russia and, since June 2006, in India —a disposition of four branches in Mumbai, Delhi, Hyderabad and Kolkata.