These are the most recognized sources of gemmology and appraisal training credentials seen in the marketplace in a generally accepted level of importance. AAP Accredited Appraiser CJI (must have seal) www.canadianjewellers.com GG GIA - Graduate Gemmologist www.gia.org GG HRD - Graduate Gemmologist www.hrd.be ISA International Society of Appraisers FCGma Fellow of the Canadian Gemmological Association HRD.CDG HRD, diamond grading, 1st step toward GG www.hrd.be GJ Graduate Jeweller CJI www.canadianjewellers.com NEXT PAGE | Benefits of Documentation 1, 2, 3, 4