GIA (Gemological Institute of America)

GIA (Gemological Institute of America)

Stand:
  • i101

Established in 1931, GIA (Gemological Institute of America) is the world’s foremost authority on diamonds, coloured stones, and pearls. A public benefit, nonprofit institute, GIA is the leading source of knowledge, standards, and education in gems and jewellery.

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Contacts

  • Contact Information

    GIA (Gemological Institute of America)

    104 Great Russell Street London WC1B 3LA United Kingdom
       +44 2078134321
    Fax:  +44 2078134331

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