BusinessJewelry.com is providing link to browse for body jewelry, handcrafted, bead & gemstone, diamonds, pearls, watches, wholesale, fashion, fine art, personalized jewelry, jewelry information.
The Gold Institute is an international trade association of companies that mine and refine gold, manufacturers of gold products and the world's leading bullion banks and gold dealers.
http://www.goldinstitute.org/
All the organizations and institutions that have direct, daily contact with Israel's diamond industry are represented in the Israel Diamond Institute, a non-profit, public company.
http://www.diamonds.org.il/