| AGS The American Gem Society (AGS) has been protecting the consumer. http://www.ags.org/ |
| Carigem International Providing fine products, following FTC guidelines, and consumer information. http://www.carigem.org/ |
| Diamond High Council Supply a wide variety of publications with information related to the diamond trade and industry. http://www.diamonds.be/ |
| Gemmological Association A non-profit making organization whose principal objectives are the scientific study of gem materials. http://www.gagtl.ac.uk/ |
| Gemstone ICA - International Colored Gemstone Association. http://www.gemstone.org/ |
| German Gemmological Association Training and research in modern gemmology. Programs and fees, diamond grading, and enrollment. http://www.dgemg.com/ |
| Gold Virtuosi International jewellery design awards from the World Gold Council. http://www.gold-virtuosi.com/ |
| GoldCoast Jewellers GoldCoast Jewellers offer affordable quality jewellery in the Brighton Lanes, Brighton, East Sussex. http://www.goldcoastjewellers.co.uk/ |
| Hong Kong Jewelry Mission is to increase the productivity of jewelry manufacturing in Hong Kong and to strengthen. http://www.jewelry.org.hk/ |
| Jewelry Design Aim is to provide an open, accessible and supportive channel for designers to share ideas. http://www.jdpn.org/ |
| The Diamond High Council The Diamond High Council (HRD) is the professional organization to defend and promote the interests of the Antwerp diamond trade and industry. http://www.diamonds.be |
| The gemmological Association of Australia The Gemmological Association of Australia (GAA) is Australia’s historic trade-accepted non-profit educational authority for gemmology. http://www.gem.org.au/ |
| The Jewelry Information A non-profit trade association funded by its members and the public. http://www.jewelryinfo.org/ |
| The Silver Institute An international association of miners, refiners, fabricators and wholesalers of silver and silver products. http://www.silverinstitute.org/ |