Learn to repair mechanical watches by watching two videos.

Supply a wide variety of publications with information related to the diamond trade and industry in several languages.

Programs in design and casting, jewelry repair, and diamond setting.

A consortium of gemmological institutes formed to establish a standard of European certification, which members must adhere to.

Developers of an Imaging Spectrophotometer for the analysis of color in gemstones of all types.

Buying, selling, certifying, and mounting diamonds and Montana sapphires.

Training and research in modern gemmology. Programs and fees, diamond grading, and enrollment. Site in English and German.

International jewellery design awards from the World Gold Council.

Jewelry making classes at the Grist Mill Craft School.

Membership organization of watch and jewelry experts, dealers and collectors who meet to trade and to set world prices.

To foster and promote high ethical standards and integrity amongst members of the American Diamond Industry.

Trade organization for retail jewelers. Consumer information, membership, and affiliates.

Advances ethical practices within the industry and promotes consumer confidence. Also offers a crime prevention package.

jewelry design and production school and jewelry manufacturer.

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.