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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Mineral inclusions trapped in diamonds reveal the continents’ construction – and help GIA researchers date diamonds.
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Learn about the differences – and similarities – between natural and laboratory-grown diamonds, and how GIA’s researchers and grading laboratories can tell the difference
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A first-person account of diamond mining in Minas Gerais, Brazil, which has been a source since the early 1700s.
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While more people are becoming familiar with lab-grown diamonds, many still don’t know how they are actually made. Learn about the two diamond growth processes, HPHT and CVD.
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Learn how the structure, inclusions and properties of some gemstones interact with light to create unusual visual effects.
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“Jewels of Hollywood”, on loan from the Kazanjian Foundation, showcases some of the jewellery and accessories associated with Hollywood royalty.
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US seasonal sales predictions are better than expected. Sotheby’s Hong Kong auction features a 100 ct yellow diamond necklace by GIA alumna Anna Hu.
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GIA’s services and instruments have grown in importance and impact as new gem treatments and laboratory-grown gems have entered the market.
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World’s two largest diamond producers say market is stabilising after several months of severe cutbacks in rough sales. Christie’s and Sotheby’s sales.
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