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 and pearls.
As an independent nonprofit organization, all of GIA’s activities are governed by its mission to serve the public. Visit
"Gemological Institute of America" - Social Networks
Click to visit the social networks of Gemological Institute of America:
Do you own or manage this business? Click here to claim the Gemological Institute of America listing and add social networks, logos, descriptions and more.
Gemological Institute of America Contact Information:
Please enter your phone number and click "Send" to receive the listing details by SMS.
For numbers outside the US, please enter the country code, for e.g. +91.
If you do not receive a message, your phone number might be registered in the Do Not Disturb Registry.
Number:
For numbers outside the US please enter the country code.
Please enter your phone number and click "Call" to call the listing owner.
Number:
For numbers outside the US please enter the country code.