Perhaps the best-loved gems of all time, pearls—both natural and cultured pearls—occur in a wide variety of colours. Learn about the factors that make pearls so popular and desirable!
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Find out about how GIA is addressing industry concerns over undisclosed laboratory-grown and simulated fancy melee being mixed in with natural fancy melee.
Read MoreGIA has a wealth of data, assets and information for both clients and non-clients to utilise for their business needs
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Explore the wondrous world of diamonds in this large book (2 stone 5 lbs and three feet wide when open) and gallery from a past exhibition – that reveals their detail and beauty.
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Webinars are an easy, informal way for GIA experts to share information and stay connected with the community of researchers and gem and jewellery lovers.
Read MoreFree Application for Federal Student Aid (FAFSA)
Read MoreFind out more about the GIA Melee Analysis service and how to submit stones for analysis and sorting.
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Mineral inclusions trapped in diamonds reveal the continents’ construction – and help GIA researchers date diamonds.
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