1. These include, for example, collaboration with Gemological Institute of America (GIA), the American Gem Society (AGS) and the Iowa-based Association of Boards of Certification (ABC) on training issues, certification arrangements and harmonization on technical codes.

Il y a, par exemple, la collaboration avec le Gemological Institute of America (GIA), l’American Gem Society (AGS) et l’Association of Boards of Certification (ABC), située en Iowa, pour ce qui est des questions de formation, de certification et d’harmonisation des codes techniques.