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Gemological Institute of America

World's foremost Authority in Gemology

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CorporateFounded in 2004Above 1000 EmployeesGem / Jewellery


AboutGemological Institute Of America

GIA has been serving the Indian gem & jewellery industry since 2004 when it first opened its Mumbai campus, and four years later, a state-of-the art grading laboratory in the same location.

GIA is located in Bandra-Kurla Complex, close to the Bharat Diamond Bourse. Staffed by a seasoned team of instructors, gemmologists and graders, the Mumbai laboratory and educational facilities cater to the needs of manufacturers, traders and retailers across the country. 

The world leader in gem and jewellery education, GIA attracts students from all over the country and the globe. Offering programmes and courses in diamonds, coloured stones, pearls and jewellery design, GIA provides knowledge and practical skills to translate the love for gems and jewellery into a rewarding career..

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Why you should work withGemological Institute Of America

Established in 1931, GIA is the world’s foremost authority in gemmology. Present in 12 countries, with 7 campuses, 4 research centres and 9 grading laboratories, GIA grades and identifies some of the world’s most important gemstones.

§ GIA is a nonprofit institution dedicated to continuous education and research in the field of gems and jewellery.

§ GIA’s mission is to ensure the public trust in gems and jewellery by upholding the highest standards of integrity, academics, science and professionalism.

§ GIA created global standards to accurately determine the quality of diamonds (4Cs – Color, Clarity, Cut and Carat Weight), coloured stones and pearls (7 Pearl Value Factors™ - Size, Shape, Colour, Nacre, Lustre, Surface and Matching).

§ GIA has supported the journey of the global gem and jewellery industry through breakthrough gemmological research, unbiased analysis of gemstone quality and by providing the most respected professional credentials.

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