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To discover the advanced technologies to modify diamonds requires the use of specialized equipment that can only be found in specialized diamond laboratories. Laboratory Certificate from a renowned laboratory recognized around the world is the only reliable source of colored or white diamond evaluation. In our opinion, the following gemological laboratories guarantee a reliable assessment of origin and value of Colored Diamonds. |
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Established in 1931 Gemological Institute of America (GIA) is the world’s foremost authority on diamonds, colored stones, and pearls. A public benefit, nonprofit institute, GIA is the leading source of knowledge, standards, and education in gems and jewelry. → GIA Laboratories
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European Gemological Laboratory (E.G.L) is a Diamond, Gemstone and Jewellery grading and certification Laboratory. E.G.L. South Africa also runs a college of Gemology, training in diamonds for the retail jeweller, diamond grading, tanzanite & introduction to coloured stones. In 1973 the first European Gemological Laboratory opened in Antwerp, in 1975 in New York followed by Los Angeles in 1978 and South Africa in August of 1980. → EGL Laboratories
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The American Gem Society (AGS) was founded in 1934 by a small group of leading jewelers. Their goal was to create an organization that could help protect the jewelry-buying public from fraud and false advertising.
The American Gem Society (AGS) is nonprofit trade association.→ AGS laboratories |
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International Gemological Institute (IGI) is the largest organization of its kind, with operating laboratories & offices in Antwerp, New York, Hong Kong, Mumbai, Bangkok, Tokyo, Dubai, Tel Aviv, Toronto, Los Angeles, Kolkata, New Delhi, Thrissur, Jaipur, Surat, Chennai, Ahmedabad and Hyderabad. The IGI School of Gemology has locations in Antwerp, Mumbai, Delhi, Hyderabad, Surat, Ahmedabad, Chennai, Dubai, Shanghai, Rome, Ascoli Piceno, Trecastagni, Cavalese. → IGI Laboratories
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