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www.gci.li The GCI Gemological Laboratories & College is a certified universal institute providing gemological services, such as diamond grading reports (included fancy color), enhanced diamonds identification (HPHT, irradiations), man -made / synthetic diamonds and imitation detection as well as...

IGI Worldwide

IGI Worldwide Tags: certification, Colored Stone Grading, diamond certification, diamond grading, education, gemology, gia, grading, IGI, IGI Worldwide, Laboratory Reports, Pearl Grading,...

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EGL provides the vital 5th C for any diamond the Certificate … egl “egl asia” “joseph kuzi” “guy margel” diamonds “diamond grading” “diamond sealing” gemology “gemstone certification” “precious stones” jewelry jewels...

EGL Asia

EGL provides the vital 5th C for any diamond the Certificate Tags: appraisal, appraisals, diamond certification, diamond grading, diamond sealing, diamonds, egl, egl asia, gemological, gemology, gemstone certification, gia, guy margel, Jewelry, jewels, joseph kuzi, laser engraving, precious...