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Certified Gemologist Appraiser

certifying organization info

American Gem Society
Certified Gemologist Appraiser
8881 West Sahara Avenue, Las Vegas
NV 89117


Certified Gemologist Appraiser (CGA)requires more advanced training and experience in determining the value of gemstones and jewelry. CGA titleholders must also pass periodic colorvision screening and an annual re-certification exam to maintain this prestigious title. The firm must maintain an Accredited Gem Laboratory® on the premises.

Certified Gemologist Appraiser Website


Work Experience Required? Yes

Oral or Written Exam Required? Yes

Renewal Required? Every 1 Year(s)

Renew through Continuing Educational Units(CEU)? No

Renew through Re-Examination? Yes

Renew through Continuing Professional Development(CPD)? No

Does applicant have choice of at least two options from above for renewal (CEU, CPD, or exam)? No

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