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11. European Gemological Laboratory: As a member of the EGL USA Group, European Gemological Laboratory (EGL) is a full-service lab and offers a comprehensive array of gem identification, evaluation reports including customized reports of identification for rough and polished diamonds as well; HTML, 65 Kb, 2009-03-15 02:22:20; /directory/laboratories/european-gemological-laboratory-wdd-003-00010.html
12. American Gemological Laboratories: American Gemological Laboratories is a unit of Collectors Universe, the leading provider of value-added authentication and grading services for high-value collectibles and gemstones, which was founded in 1986 and publicly traded since 1999. In 1977, Ameri; HTML, 65 Kb, 2009-03-15 03:14:21; /directory/laboratories/american-gemological-laboratories-wdd-003-00020.html
13. AIGS Gemological Laboratory: First professional gemological laboratory to be established in Asia in 19978, - The AIGS Gemological Laboratory is a private, independent gemological laboratory, member of the Thai Gem and Jewelry Traders Association (TGJTA), and The International Colored; HTML, 65 Kb, 2009-03-15 02:39:58; /directory/laboratories/aigs-gemological-laboratory-wdd-003-00014.html
14. AGTA Gemological Testing Center: The AGTA Gemological Testing Center is the natural coloured gemstone industry’s premier independent laboratory providing the industry and the public with a complete range of services, including gemstone identification, origin determination and pearl ide; HTML, 65 Kb, 2009-03-15 03:11:40; /directory/laboratories/agta-gemological-testing-center-wdd-003-00019.html

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diamond certification

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