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  • Gemological Institute Of America | All About Gemstones - GIA
    Established in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services
  • Gemological 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 [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
  • About GIA | GIA 4Cs
    GIA is the trusted benchmark for diamond grading Download the GIA App now to learn more about the 4Cs and look up GIA reports
  • What 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
  • GIA Store
    The GIA store provides the instruments, gemological research from Gems Gemology and point-of-sale retailer support materials needed to help your business and continue your education
  • Most Precious Diamonds, - Gemological Institute of America
    Graded by GIA A Brilliant Legacy 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
  • My GIA
    Now featuring one log in for My Laboratory and the GIA Client Portal Maintain your laboratory account information and grading results online You can manage your team members and provide access to My Laboratory , update payment preferences, view open balances and create shipping memos
  • Lab Grown Diamond Grading: GIAs New System Explained
    GIA exists to protect the public trust in gems and jewelry With this shift, the Institute is ensuring that consumers can make informed choices without being misled by false equivalencies By stepping away from the 4Cs for laboratory-grown diamonds, GIA is reaffirming its commitment to scientific integrity and public transparency




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