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

    GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services. Learn about gemstones, diamonds, emeralds, peridot, citrine and more from GIA's experts and publications.

    • Gem Encyclopedia

      Each Gem page features Gemological Information, a Buyer’s...

    • Citrine

      Citrine gemstone is very rare in nature. It depicts a...

    • Birthstones

      Birthstones are a fun, popular and colorful introduction to...

    • Emerald

      Most gemologists, gemological laboratories, and colored...

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

    Há 5 dias · 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.

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  4. en.wikipedia.org › wiki › Gemological_Institute_ofGemological Institute of America - Wikipedia

    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. Founded in 1931, GIA's mission is to protect buyers and sellers of gemstones by setting and maintaining the standards used to evaluate gemstone ...

  5. www.gia.edu › gem-education › online-divisionOnline Gemology Courses | Gemology Classes - GIA

    Learn gem and jewelry skills online with the flexibility and convenience of studying on your schedule. Earn an online credential with the same curriculum as on-campus students and get hands-on experience in lab classes.

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    • Everything you Need to Know about GIA (Gemological Institute of America ...
    • Gemological Institute of America - 46 Photos & 27 Reviews - Jewelry ...
    • GIA-Gemological Institute of America
    • GIA-Gemological Institute of America

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  7. discover.gia.edu › diamonds-graded-by-GIAGemological Institute Of America | We Grade The World's Most ...

    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.

  8. 4cs.gia.edu › en-us › about-giaAbout GIA | 4Cs of Diamond Quality by GIA

    GIA is the world's leading authority on diamond quality and grading, with 14 locations across 13 countries. Learn about GIA's mission, history, education, research and services on its official website.

  9. retailer.gia.edu › EN-US › what-is-giaWhat is GIA - Gemological Institute of America

    Established in 1931, GIA is the world’s largest and most respected nonprofit institute of gemological research and learning. GIA discovers (through GIA Research), imparts (through GIA Education), and applies (through the GIA laboratory and GIA Instruments) gemological knowledge to the public.

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