| Diamond High Council Supply a wide variety of publications with information related to the diamond trade and industry in several languages. http://www.diamonds.be/ |
| Federation for European A consortium of gemmological institutes formed to establish a standard of European certification, which members must adhere to. http://www.feeg.net/ |
| GemEx Systems, Inc. Developers of an Imaging Spectrophotometer for the analysis of color in gemstones of all types. http://www.lambdaspec.com/ |
| Gemological Institute of the Rockies Buying, selling, certifying, and mounting diamonds and Montana sapphires. http://www.gradeddiamonds.com |
| German Gemmological Association Training and research in modern gemmology. Programs and fees, diamond grading, and enrollment. Site in English and German. http://www.dgemg.com/ |
| Gold Virtuosi International jewellery design awards from the World Gold Council. http://www.gold-virtuosi.com/ |
| International Watch & Jewelry Guild Membership organization of watch and jewelry experts, dealers and collectors who meet to trade and to set world prices. http://www.iwjg.com/ |
| Jeffrey Fischer Rockefeller Center Station To foster and promote high ethical standards and integrity amongst members of the American Diamond Industry. http://www.dmia.net/ |
| Jewelers of America Trade organization for retail jewelers. Consumer information, membership, and affiliates. http://www.jewelers.org/ |
| Jewellers Vigilance Canada (JVC) Advances ethical practices within the industry and promotes consumer confidence. Also offers a crime prevention package. http://www.jewellersvigilance.ca/ |
| Metallo Nobile jewelry design and production school and jewelry manufacturer. http://www.metallo-nobile.org |
| 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. http://www.jewelryinfo.org/ |