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| Diamond Grading and Gemological Reports |
There are a variety of gemological institutes that appraise diamonds and issue Diamond Gemological Reports, as well as measure and certify loose diamonds and diamond jewelry. Depending on your region, there are a number of reputable companies including the following listed below.
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HRD - Hoge Raad Voor Diamant (The Diamond High Council). The officially recognized representative of the Belgium diamond trade and industry. HRD headquarters are located in Antwerp, World Diamond Center. |
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GIA -Gemological Institute of America. Founded in 1931 in Los Angeles, the GIA created and introduced the international grading system. Headquarters are still located in Los Angeles. |
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IGI - International Gemological Institute. The oldest institute of its kind in Antwerp. Set up in 1975 with labs in New York, Bangkok, Mumbai and Tokyo. |
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GemScan - GemScan International was incorporated in 1985 as an independent jewelry appraisal laboratory providing gem identification. GemScan is based in Toronto, Ontario Canada.
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AGS - American Gem Society Founded in 1934 by Robert M. Shipley who also founded the GIA. The AGS is based in Nevada, USA.
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EGL - European Gemological Laboratory. EGL was originally opened in Antwerp in 1974, and now has laboratories in Antwerp, New York Los Angeles, Johannesburg, Paris, London, Israel and Seoul. |
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Questions? Ask our Diamond Experts and other Members in our Diamond Forum |
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