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Gemology World - the Canadian Institute of Gemmology (C.I.G.), Vancouver, B.C.
http://www.cigem.ca/
Includes tips on shopping in the duty free shops of the Caribbean.
http://www.carigem.org/
A Diamond Is Forever is the world's leading diamond information and referral resource.
http://www.adiamondisforever.com/
Provides information for jewelry and related fields.
http://www.ganoksin.com/
GemEx_ Systems is a technology company in the diamond and colored stone industry which produces Light Performance_ Analysis Reports.
http://www.gemex.com
The GIA provides lab services to the jewelry industry.
http://www.gia.edu
The Spectrum Network is a website dedicated to Colored Gemstones, Gemological Information.
http://www.gemdata.com/
First online guide to colored gemstone prices.
http://www.gemval.com
AMBER MUSEUM-GALLERY. Discover the fantastic world of Baltic amber of 50 million years old.
http://www.ambergallery.lt
Independent gemological laboratory offering jewellery appraisals, diamond grading, insurance appraisals, consulting, gem identification, diamond certificates and gemmological education.
http://hwgem.com/
Business, research and educational projects in the gemology and jewellery filelds.
http://www.gemology.ru/
Education, YourGemologist.com, the largest gemology study site.
http://www.yourgemologist.com/