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Gemological Institute of America

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The Gemological Institute of America, GIA, is the world's foremost authority in gemology, diamond grading, jewelry education, gemology research,

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Address	5345 Armada DR Carlsbad, CA 92008-4602
Phone	(760) 603-4000
Website	www.gia.edu

Lab Reports & Services
Research & Resources

Quick Links

About the 4Cs

Graduate Gemologist Program
Request A Catalog
Find Locations Worldwide

How to Submit Gems
Verify A Report

How to Choose a Diamond

Learn the 4Cs of diamond value.

Watch Video (3 mins.)

How to Buy a Gemstone

Learn how to buy a gemstone in 7 simple steps.

Branches and additional offices:

(310) 829-2991 1660 Stewart St Santa Monica, CA 90404-4020

(866) 702-2088 600 Corporate Pointe Ste 100 Culver City, CA

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Around The World Childrens Center

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Around The World Children's Center, Inc. Located in the city of Downey, and proudley serving Southern California.

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