About GIA

Established in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services.

Verify GIA Employees

Truework allows you to complete employee, employment and income verifications faster. The process is simple and automated, and most employees are verified within 24 hours. Verifiers love Truework because it’s never been easier and more streamlined to verify an employee, learn more here.

The information on this page is not an endorsement of Truework's services by GIA and is meant to be purely informational. Disclaimer

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