Gemological Science International

Gemological Science International (GSI) is one of the largest gemological organizations in the world.

Founded in 2005 in New York City, it has since grown to have 13 gemological laboratory facilities spanning four continents. Utilizing leading-edge processes and proprietary technologies, GSI provides manufacturers and retailers globally with a wide range of gemstone identification and grading services. The company is committed to advancing gemological research through its Research Center, and it offers gemological educational programs for trade professionals and the public at all levels.  

RPR has garnered coverage on behalf of GSI in outlets such as Fox, Nasdaq, Jewelry Business, Bloomberg, and Good Morning America, among others.