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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.
American Gem Society (AGS), also known as American Gemological Society – American trade association; American Geosciences Institute (AGI) – Nonprofit scientific federation including around 50 geoscientific organizations founded in 1948; American Geophysical Union (AGU) – Nonprofit organization of geophysicists
Born in Calcutta, India to a traditional business family, Suhani studied gemology at the Gemological Institute of America in Carlsbad, USA. One of three sisters, she is the youngest. [10] At age 20, Suhani established her own training institute, teaching grading of diamonds and coloured stones. [11]
Gems & Gemology is a quarterly scientific journal published by the Gemological Institute of America. Each issue is devoted to research on diamonds , gemstones , and pearls . Topics include geographic sources, imitations and synthetics, treatments, and identification techniques.
Gemologist, Chairman of Board of Governors of Gemological Institute of America Richard T. Liddicoat, Jr. (March 2, 1918 – July 23, 2002) was an American gemologist . An educator in gemology, he contributed in the area of diamond quality grading and gem identification.
Carlsbad is a beach city in the North County area of San Diego County, California, ... Gemological Institute of America: 555 Notable corporate headquarters
Soon after, he enrolled at the Gemological Institute of America, Carlsbad where he received his diamond-grading diploma. [citation needed] Career and brand
The Centenary Diamond is rated in color as grade D color by the Gemological Institute of America, which is the highest grade of colourless diamond and is internally and externally flawless. It was named the Centenary Diamond as it was presented in the rough for the Centennial Celebration of De Beers Consolidated Mines on 11 May 1988.