La société Gemological Institute of America

Established in 1931, GIA protects the public through gemological research, education, impartial gem identification and grading services, and instrument development. The world’s foremost authority in gemology and creator of the 4Cs, GIA sets the standard for determining the quality of diamonds and performs research-based identification of colored gems –

Why Work At GIA (Gemological Institute of America)

With over 3,000 employees in 13 countries, GIA offers many exciting career opportunities and the chance to serve the public good. Join our diverse and highly talented group who bring objectivity to the industry and provide the public the knowledge they need to make gem and jewelry purchases with confidence.