The American Gem Society was established in 1934 with the vision of creating an association dedicated to setting and maintaining the highest possible standards of business ethics and professionalism in the jewelry industry.

The American Gem Trade Association (AGTA) is an association of North American trade professionals dedicated to promoting the long term stability and integrity of the natural colored gemstone, pearl, and cultured pearl industry.

The BJA is the voice of the manufacturing jewellery industry in the UK. It has provided strong leadership for the industry for over 100 years and today, perhaps more than ever before, is involved in taking those decisions, which will shape the industry`s future.

Founded in 1926, the objective of Borsa Diamanti d`Italia is to foster and promote the interests and development of the diamond, precious stone and related jewellery industries in Italy.

The Belgian Polished Diamond Dealers Association, represents the interests of the Belgian dealers, exporters and importers of polished diamonds. The BVGD is the sole professional organization recognized by the government to speak on behalf of the polished diamond dealers. Our By-Laws are reviewed by the Council of State.

CIBJO is an international confederation of national jewellery trade organizations. CIBJO`s purpose is to encourage harmonisation, promote international cooperation in the jewellery industry, and to consider issues which concern the trade worldwide.

Founded in 1933, The California Jewelers Association (CJA) represents the interests of jewelry professionals. The CJA advocates high ethical standards & assists members in improving their business skills and profitability through member services and marketing programs.

Our history begins in Toronto, November 15, 1884 with the formation of the Jewellers Security Alliance of Canada, the forerunner Canadian Jewellers Association. Its purpose was to help jewellers strengthen their security measure generally discourage jewellery store thefts.

Founded in 1874, the Chicago Jewelers` Association (CJA) is the Midwest`s oldest & most prestigious jewelry industry group. The CJA provides a forum for retailers, wholesalers, sales representatives, and manufacturers to exchange vital information and new ideas.

The DDC is the largest, oldest and most respected diamond bourse, known throughout the world for its safe, secure environment for business transaction as well as a neutral location where buyers feel comfortable doing business on their terms.