Accredited Gemologists Association
American Society of Appraisers (ASA)
Appraisal Foundation
Gemmological Association of Great Britain
Gemological Institute of America
San Diego Chapter of ASA
International Society of Appraisers
National Association of Jewelry Appraisers
Association of Independent Jewellery Valuers
Retail Jewelers Organization
ASA Gems & Jewelry Courses
