The Gemological Institute of America

Type: Attractions

Map / Directions 10Best Says

The GIA is the world's leading authority and educator on diamonds, colored stones, and pearls. Even most San Diegans don't know that you can actually tour The Gemological Institute of American by...  Read More


  • Best for Carlsbad's Best Attractions Because: They are the world's leading authority on gems and originators of the 4 C's (cut, clarity, color, carat).

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