JewelryWhole.com contains a lot of listings about jewelry supplies, earrings, bracelets, gemstones, charms, watches, fine art, unique designs, personalized jewelry, guides & directories.
The Diamond High Council
The Diamond High Council (HRD) is the professional organization to defend and promote the interests of the Antwerp diamond trade and industry.
http://www.diamonds.be
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The gemmological Association of Australia
The Gemmological Association of Australia (GAA) is Australia’s historic trade-accepted non-profit educational authority for gemmology.
http://www.gem.org.au/
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The Jewelry Information
A non-profit trade association funded by its members and the public.
http://www.jewelryinfo.org/
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The Silver Institute
An international association of miners, refiners, fabricators and wholesalers of silver and silver products.
