Association Belge des Experts

American Gem Trade Association

Diamantclub van Antwerpen

Better Business Bureau

Antwerp Diamond Bourse

Belgium Luxembourg Chamber of Commerce in Hong Kong

The World Jewellery Confederation

Diamond Dealers Club of New York

Diamond Federation of Hong Kong

Diamond Manufacturers & Importers Association of America

International Colored Gemstone Association

Indian Diamond and Colorstone Association

International Organization of Standardization

Jewelers of America

Natural Color Diamond Association

Responsible Jewellery Council

World Diamond Council

Watches and Jewelry Initiative 2030