 | Diamond High Council - Supply a wide variety of publications with information related to the diamond trade and industry in several languages.
 | Federation for European Education in Gemmology - A consortium of gemmological institutes formed to establish a standard of European certification, which members must adhere to. List of the member institutes and their offered courses.
 | Gemmological Association and Gem Testing Laboratory of Great Britain - A non-profit making organization whose principal objectives are the scientific study of gem materials, education, and libraries of gem materials. Courses, laboratory services, and contact information.
 | Gemological Institute of America Inc. - A nonprofit educational resource for the gem and jewelry industry. Education offerings, resources, and careers available.
 | German Gemmological Association - Training and research in modern gemmology. Programs and fees, diamond grading, and enrollment. Site in English and German.
 | Gold Virtuosi - International jewellery design awards from the World Gold Council. Finalists, winners, and contact information.
 | Hong Kong Jewelry Manufacturers' Association - Mission is to increase the productivity of jewelry manufacturing in Hong Kong and to strengthen the ability to compete with overseas manufacturers. Technical articles, services, and member list.
 | Jewelers of America - Trade organization for retail jewelers. Consumer information, membership, and affiliates.
 | Jewelers Vigilance Committee - Not-for-profit trade association whose mission is to maintain the jewelry industry's highest ethical standards. Trade and consumer resources.
 | Jewellers Association of Australia - Established to represent and protect the interests of the jewellery industry and jewellery consumers. Membership information, upcoming events, and buying tips.
 | Jewellery Distributors' Association - A non-profit-making trade body, within the British Jewellery and Giftware Federation. Members benefits, news, and index of products.
 | Jewelry Design Professionals' Network - Aim is to provide an open, accessible and supportive channel for designers to share ideas, questions and concerns. Events, membership, and gallery.
 | The Jewelry Information Center - A non-profit trade association funded by its members and the public relations arm for the entire fine jewelry and watch industry. Buying basics, charity fund, and retailer listings.
 | Society for Midwest Metalmiths - A non-profit organization formed to promote, develop, educate, and encourage individuals who are interested in metalsmithing. Meetings, workshops, and members gallery.
 | Society of American Silversmiths - Resource relating to the silversmiths' art and craft. Artisan gallery, silver care, workshops, and library.
 | United States Faceters Guild - Focuses on the art and skill of faceting gemstones. Tips and techniques, online discussion, and diagrams.
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