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  2. Gemological Institute of America - Wikipedia

    en.wikipedia.org/wiki/Gemological_Institute_of...

    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.

  3. 47th Street (Manhattan) - Wikipedia

    en.wikipedia.org/wiki/47th_Street_(Manhattan)

    The Factory was Andy Warhol's original New York City studio from 1963 to 1968, ... At 50 West 47th Street is the Gemological Institute of America which trains gem ...

  4. Richard T. Liddicoat - Wikipedia

    en.wikipedia.org/wiki/Richard_T._Liddicoat

    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.

  5. Susan Foster - Wikipedia

    en.wikipedia.org/wiki/Susan_Foster

    Foster's fine jewelry collection is available with select retailers worldwide including Just One Eye in Los Angeles, Fivestory in New York, as well as Harrods [4] and Matches.com in the UK. [1] Susan Foster's jewelry has been featured in top publications including Vogue , [ 5 ] Harper's Bazaar , [ 6 ] Tatler , [ 7 ] Marie Claire , Elle [ 8 ...

  6. Gems & Gemology - Wikipedia

    en.wikipedia.org/wiki/Gems_&_Gemology

    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.

  7. Jerry Sisk Jr. - Wikipedia

    en.wikipedia.org/wiki/Jerry_Sisk_Jr.

    Sisk, who spoke six languages fluently, was a graduate gemologist accredited through studies at the Gemological Institute of America (GIA). [1] [2] [3] [5] He traveled to approximately forty countries during his career. [2]

  8. Diamond - Wikipedia

    en.wikipedia.org/wiki/Diamond

    The Gemological Institute of America ... Another important diamond center is New York City, where almost 80% of the world's diamonds are sold, including auction sales.

  9. John Sinkankas - Wikipedia

    en.wikipedia.org/wiki/John_Sinkankas

    He developed the John and Marjorie Sinkankas Gemological Library which was sold to the Gemological Institute of America. Involved in the negotiations were 350 book archive boxes holding some 750 linear feet of shelf space. Included were some 8,000 books and 6,000 pamphlets, scientific reprints, offprints and the like.