- Diamond Grading
- Database for a wide range of diamond information. With tips for buying diamond and tutorial.
- Goldspeed
- Get designer history, encyclopedia and other jewelry facts.
- MetalCyberspace
- Includes jewelry books and publications, contemporary jewelry galleries, events, exhibitions, organizations, museums, designs and competitions.
- Royal Magazin
- History of jewellery collections owned by famous and historical people. Multilingual.
- Thai Gem
- Online retailer of gemstones and jewelry making supplies.
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