Gemological Institute of America in Carlsbad
(760) 603-4000
![Gemological Institute of America - Carlsbad](/logo/0/110/0/default.jpg)
An independent nonprofit organization, the Gemological Institute of America (GIA) is recognized as the world's foremost authority in gemology. Established in 1931, GIA has translated its expert knowledge into the most respected gemological education available ...