Certified Gemologist^® Appraiser

This credential is intended for individuals who can identify diamonds, gemstones, and jewelry and determine their value. Certified Gemologist^® Appraiser (CGA) credentialed members possess advanced knowledge, training, and experience in determining the value of diamonds, gemstones, and jewelry. The CGA credential is highly regarded among peers in the jewelry industry.

The CGA credential applicant must:

• Be a Certified Gemologist^® currently employed at an AGS member business
• Successfully complete foundational appraisal education from an approved source
• Successfully complete the CGA theory exam and the CGA practical appraisal report writing exam
• Agree to the use of the AGS Appraisal and Report Standards for all appraisals unless using the standards of another approved organization in which the individual is an active member
• Complete a color vision test, and strongly consider re-taking the color vision screening after age 55, or if the individual experiences any medical changes

CGA credentialed members must do the following to maintain their credential:

• Successfully pass the annual AGS recertification exam and pay applicable fees
• Submit a current appraisal report for review by the Appraisal Standards Subcommittee upon request

CGA Exam fee: $349* will be invoiced once prerequisites are verified. Exam access is granted upon invoice payment.

*Diamond and Gold level discounts apply. Each exam is nontransferable and must be registered to an individual at the time of purchase. The individual has three (3) weeks from the exam launch date to complete all parts of the online exam. Expired exams must be repurchased at the current price. CGA exams are nonrefundable.

Questions? Please contact AGS Education at [email protected].