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  1. 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.

    • Report Check

      Report Check - Gemological Institute Of America | All About...

    • Submit A Gem

      The GIA Memo Creator makes it easier than ever to submit...

    • LIST YOUR STORE

      Search a city or postal code to find retailers who carry...

    • Gem Encyclopedia

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

  2. 2 giorni fa · 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. 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 ...

    • 21 Gemology & 9 Jewelry Arts Instructors
    • Private
    • 1931
  4. Learn gemology on diamonds and colored stones at the GIA school. Earn a diploma and explore career paths in the gem and jewelry industry.

  5. GIA è l'acronimo di Gemological Institute of America, ovvero il più noto centro di ricerca e di apprendimento di mineralogia ( no-profit) degli Stati Uniti d'America, fondato nel 1931 da Robert Shipley in California. La GIA è egualmente famosa per i servizi di riconoscimento e di classificazione di gemme e di minerali di ogni tipo ...

  6. As an independent research and educational institute, our mission is to protect the public and deliver objective, impartial science-based information about diamonds and gemstones. Learn More

  7. 808K views5 years ago. GIA is the Largest, Most Respected Nonprofit Source of Gemological Knowledge in the WorldGIA exists to connect people to the understanding of gems. As a long...