JewelryWhole.com contains a lot of listings about jewelry supplies, earrings, bracelets, gemstones, charms, watches, fine art, unique designs, personalized jewelry, guides & directories.
Ganoksin.com
Features newsletters, discussion list, a gallery of jewelry design photos, and a database of books and publications.
http://www.ganoksin.com/
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JCK
For 130 years, Jewelers' Circular Keystone, or JCK as we are better known, has been providing up-to-date coverage of the events and trends within the jewelry business.
http://www.jckgroup.com
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National Jeweler
National-Jeweler.com keeps industry professionals up-to-date on current affairs between issues. With news updated daily, an archive featuring thousands of articles.