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Scientific Gem Testing Laboratories Pty Ltd, established in 1980 are
professional gem testers to the jewellery industry and are the
creators of the industry-leading Auscert & Gemcert Certificates.
    World Federation Of Diamond Bourses Canadian Institute of Gemmology National Council of Jewellery Valuers The Gemmological Association of Great Britain Gemological Institute of America The Gemmological Association of Australia
    World Federation Of Diamond Bourses Canadian Institute of Gemmology National Council of Jewellery Valuers The Gemmological Association of Great Britain GIA The Gemmological Association of Australia
(C) 2008, Scientific Gem Testing Laboratories Pty Ltd