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European Gemological Laboratory, EGL USA, diamond reports, diamond certification EGL USA offers a range of gemological services, diamond certificates, diamond reports, gemological laboratory, HPHT treatments, laser inscription, jewelry webguard... www.eglusa.com/ Gubelin Gemmological Laboratories the world's most renowned gem laboratory Gubelin Gemmological Laboratory keeping our gemstone report with traditions high standards, independent opinion of the laboratory, constant inovation and up to date ... www.gubelinlab.com/ Russian Gemological Server Business, research and educational projects in the gemology and jewellery filelds. Software & Hardware for diamond modelling, raytracing and cut optimisation. News ... www.gemology.ru/ Submit Site to the Laboratories Directory |