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Gemological Science International (GSI) is an independent gemological organization with a global footprint. GSI is the only major gemological laboratory established in the 21st century. We provide reliable gemstone identification and grading services, conduct gemological research to protect the industry and consumers, and offer a variety of educational programs to the trade and general public preparing a new generation of professionals. Since our founding in 2005 with one laboratory in New York
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Gemological Institute of America | IBM
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International Gemological Institute
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Gemological Science International (GSI) is one of the largest gemological organizations in the world. Utilizing leading-edge processes and proprietary technologies, GSI provides manufacturers and retailers globally with a wide range of gemstone identification and grading services. GSI is committed to advancing gemological research, offering educational programs for trade professionals and the general public at all levels. | Gemological Science International (GSI)
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