| All India Gems & Jewellery Trade Federation: Support for the gem and jewellery industry in India. Includes a trade statistics, news, membership information and newsletter. |
| 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. (GIA): A nonprofit educational resource for the gem and jewelry industry; offering online and on-campus education, diamond grading and identification services, and scientific instruments. |
| 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. |
| 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. |
| Society for Midwest Metalmiths: A non-profit organization formed to promote, develop, educate, and encourage individuals who are interested in metalsmithing. Meetings, workshops,exhibitons, grants and members gallery. |
| Society of American Silversmiths: Resource relating to the silversmiths' art and craft. Artisan gallery, silver care, workshops, and library. |
| 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. |
| United States Faceters Guild: Focuses on the art and skill of faceting gemstones. Tips and techniques, online discussion, and diagrams. |