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Diamond
Information Center
A Diamond Is Forever is the world's leading diamond information
and referral resource.
http://www.adiamondisforever.com/
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Ganoksin.com
Provides information for jewelry and related fields.
http://www.ganoksin.com/
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GemEx
GemEx_ Systems is a technology company in the diamond and colored
stone industry which produces Light Performance_ Analysis Reports.
http://www.gemex.com
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Gems
Data
The Spectrum Network is a website dedicated to Colored Gemstones,
Gemological Information.
http://www.gemdata.com/
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Harold
Weinstein Ltd.
Independent gemological laboratory offering jewellery appraisals,
diamond grading, insurance appraisals, consulting, gem identification,
diamond certificates and gemmological education.
http://hwgem.com/
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World Gem Guide
Largest database of colored gems on the Internet. Find all your
favorite gemstones.
http://www.worldgemguide.com/
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