Governments, Organizations & Bourses

• American Gem Society
• Angolan Embassy Newsletter - O Pensador
• Beurs voor Diamanthdel
• Canadian Diamond Code of Conduct
• Canadian Diamond Consultants Inc. 
• Chamber of Mines and Energy Western Australia
• Chamber of Mines of South Africa
• Dept. of  Minerals and Energy, Republic of South Africa
• Diamond Certification Laboratory of Australia
• Diamond High Council (HRD)
• Diamond Manufacturers and Importers Association of America
• Diamond Promotion Service
• Endiama
• European Gemological Laboratory
• Gem and Jewelry Export Promotion Council, India
• Gemmological Association of Great Britain
• Gemological Institute of America
• Government of the Northwest Territories
• Hong Kong Jewelry Manufacturers Association
• HRD Canada
• Indian Mining Industry
• Indo-Argyle Diamond Council
• International Colored Gemstone Association
• International Diamond Laboratories - DMCC
• International Gemological Institute
• Israel Diamond Institute
• Jewelers Of America
• Jewelers Vigilance Committee
• Jewellers Vigilance Canada
• Jewelry Information Center
• Manufacturing Jewelers & Suppliers of America
• Ministry of Mines – Government of India
• Namibia Ministry of Mines and Energy
• Natural Resources Canada
• The Jewelers' Security Alliance
• The Mining Association of Canada
• The National Association of Jewelry Appraisers
• United Nations
• Western Australia – Minerals and Energy Department
• World Jewelry Confederation