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209, Guru Complex, Building No. 2501, Street No.- 8, Beadon Pura, Karol Bagh


About Us

Gemological Studies of India (GSI), an ISO 2000:2008 certified company exist to provide Gemstone Identification,Diamond Grading and Jewellery Quality Analysis Report to Professionals as well as to the consumers. All the tests are performed by the experienced geologist and gemologists in the Gemological Studies of India (GSI) Laboratory. GSI (Gemological Studies of India) has the uniqueness in working simultaneously with the changing trends in the market. This is the way the company has, carved a niche for itself in the industry.

Considering the fact the ever flourishing Gem and jewellery industry in India, Gemological Studies of India (GSI) has come up with valuable Gemological Courses for the aspiring professionals as well as for the common individual.

Diamond Grading and Colour Stone Identification program is designed by expert professionals in compliance with the industry standards.


The mission of GSI (Gemological Studies of India) is to raise the awareness of natural and synthetic gems among the people of India from urban to rural by upholding the highest standards of integrity, innovation and professionalism through education and laboratory services.


Enroll in GSI’s School of Gemology to discover the breathtaking world of diamonds, gemstones and jewelry. With more courses covering more topics in more countries than any other organization, GSI is the perfect choice for invested jewelry professionals and consumer enthusiasts alike.