Research & News
Recent articles


Review of Pegmatites and Their Gem Minerals, by Michael Menzies and Jeffrey Scovil.
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Researchers examined one of the most interesting and unique diamond crystals ever found.
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World’s two largest diamond producers say market is stabilizing after severe cutbacks in rough sales.
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U.S. holiday sales predictions look good. Sotheby’s Hong Kong auction features GIA alumna pieces.
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U.S. holiday sales predictions look good. Sotheby’s Hong Kong auction features GIA alumna pieces.
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U.S. consumer confidence has kept the economy from sliding into a possible recession.
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GIA’s services, instruments address new treatments and laboratory-grown gems as they enter the market.
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GIA’s services, instruments address new treatments and laboratory-grown gems as they enter the market.
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Escape to a warm-water paradise with these jewels and gemstones that evoke the ocean’s essence.
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