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IGI provides independent grading reports, colored stone reports, identification and appraisal reports, diamond authentication and attestations of origin, and laser inscription services. They also offers diamond and colored stone courses through IGI's Schools of Gemology. The IGI school was the first to offer the practical Rough Diamond course. [4]
Gemmological Institute of India (GII), Mumbai: The institute was established in 1971, the GII is a centre for gemological, training services, Research and Development work. [19] Gem Testing Laboratory, Jaipur: This is a coloured gemstone centre in Jaipur. It grades and certifies all kinds of stones, its speciality is in coloured gemstones.
Gemology or gemmology is the science dealing with natural and artificial gemstone materials. It is a specific interdisciplinary branch of mineralogy . Some jewelers (and many non-jewelers) are academically trained gemologists and are qualified to identify and evaluate gems.
The International Gemological Institute, the world's largest independent laboratory for testing and evaluating gemstones and fine jewellery, has started its first laboratory for South India region in Thrissur. It is also first satellite laboratory of IGI in India. The satellite laboratory has a staff of 15. [9] [10]
WD Lab Grown Diamonds first 5 carat round brilliant diamond was graded by International Gemological Institute (IGI) on June 1, 2016. [3] On May 22, 2018, WD Lab Grown Diamonds announced that they had produced at 9.04 carat gem-quality diamond (graded as I color VS2 clarity IDEAL cut), eclipsing their previous record of 6 carats (January 2018 ...
The Gemological Institute of America (GIA) is a nonprofit institute based in Carlsbad, California. It is dedicated to research and education in the field of gemology and the jewelry arts. [ 1 ] Founded in 1931, GIA's mission is to protect buyers and sellers of gemstones by setting and maintaining the standards used to evaluate gemstone quality.
She earned her gemologist degree from HRD Antwerpen, which included courses on gemology, pearls, diamond grading, and diamond polishing. [1] She then became a jewelry professional at the Gemological Institute of America. She has also attended a Color Stones Grading and Evaluation course from the International Gemological Institute. [2]
The company first identifies the market value of the item through an automatic pricing engine and then agrees on a reserve price with the sellers. The diamonds sold at Worthy.com are graded at the Gemological Institute of America (GIA) or at the International Gemology Institute (IGI). The brand-named watches are authenticated at CentralWatch.