GIA
Founded in 1931, the Gemological Institute of America is a nonprofit institute dedicated to research and education in the field of gemology and the jewelry arts The company is headquartered in Carlsbad, California.
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Learn More!Founded in 1931, the Gemological Institute of America is a nonprofit institute dedicated to research and education in the field of gemology and the jewelry arts The company is headquartered in Carlsbad, California.