GRS GemResearch Swisslab AG - The Leader in Colored Gemstone Reports
Renowned international gemological research laboratory specializing in authenticity evaluations for rubies, sapphires, emeralds, and other colored gems
Sprache: Englisch
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Info about Red Emerald / Red Beryl / Bixbite
The International Colored Gemstone Association (ICA) is the only worldwide body specifically created to benefit the global colored gemstone industry. Join industry professionals worldwide for the opportunity to work together to expand the market for natural colored gemstones.
Seller of high quality loose gemstones, diamonds, jewelry, findings and mountings
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LITHOGRAPHIE, LTD is mineralogical / geological book publisher.
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GGTL Laboratories: Your trusted gemmology laboratories based in Switzerland and Liechtenstein. Expertise, accuracy, and trust for all your precious stone evaluations.
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Thailand gemstone supplier and loose precious stones exporter specialize in Ceylon blue sapphire, pink sapphire, Australia yellow sapphire, green sapphire, white sapphire, black sapphire, Thailand cabochon cut ruby gemstone, loose rubies
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Asia's leading gemological school and gem lab since 1978.
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