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  1. www.gia.eduGemological Institute Of America | All About Gemstones - GIA

    GIA is a nonprofit organization that provides gemological research, education and laboratory services. Learn about gemstones, diamond origin, field gemology, and more from GIA's experts and resources.

  2. www.gia.edu › gia-aboutThe GIA Difference - GIA.edu

    Hace 2 días · GIA is the world’s foremost authority on diamonds, colored stones, and pearls. Learn about its history, research, education, and quality standards in gems and jewelry.

  3. en.wikipedia.org › wiki › Gemological_Institute_of_AmericaGemological Institute of America - Wikipedia

    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. The institute does so through research, gem identification, diamond grading services, and a variety of educational programs.

  4. www.gia.edu › gem-labAnalysis & Grading - GIA.edu

    5 de abr. de 2024 · GIA is the world’s foremost authority in gemology, offering unbiased grading and analysis of diamonds, colored stones, pearls and unknown materials. Learn how to submit your gemstone, view report check, find a jeweler, and access resources and FAQs.

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  6. es.wikipedia.org › wiki › Gemological_Institute_of_AmericaGemological Institute of America - Wikipedia, la enciclopedia...

    El Instituto Gemológico de América (Gemological Institute of America, o GIA) es una institución sin ánimo de lucro dedicada a la investigación y formación en el campo de la gemología y joyería. [1]

  7. www.gia.edu › gem-education › new-yorkNew York - GIA.edu

    GIA’s New York campus is a state-of-the-art facility in the International Gem Tower – right in the heart of the famed Diamond District. The campus is feet away from thousands of businesses devoted to jewelry.

  8. discover.gia.edu › diamonds-graded-by-GIAMost Precious Diamonds, - Gemological Institute of America

    From the Hope diamond to the Spirit of the Rose, the Taylor Burton and the Lesotho Promise, we are trusted by museums and top auction houses all over the world to grade and research nature’s finest treasures.