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Large, Rare Diamonds a Window into Earth’s Mantle
Breakthrough research led by GIA Postdoctoral Research Fellow Evan Smith examines exceptional diamonds.
For decades, GIA has been on the cutting edge of gemological research, analyzing data on gems and their characteristics. This effort becomes more challenging each year, as new gem sources emerge and new treatment processes and synthetic materials come onto the market.
A study of 12 white and yellow “golden” South Sea cultured pearls nucleated with freshwater non-bead cultured pearls.
Read MoreColor stability experiments show that the color of Queen conch shell and pearls may shift in hue and/or saturation under X-ray radiation or short-wave UV radiation.
Read MoreResearchers examined one of the most interesting and unique diamond crystals ever found.
Read MoreRichard T. Liddicoat Postdoctoral Research Fellows
Where Do Blue Diamonds Come From?
Blue Diamonds Have a Surprising “Superdeep” Origin and a Link to Ancient Oceans
Read ArticleLarge, Rare Diamonds Reveal the Inner Workings of Earth’s Mantle
Read ArticleObservations on the Heat Treatment of Basalt-Related Blue Sapphires
Read ArticleCharacterization of Blue Sapphires from the Mogok Stone Tract, Mandalay Region, Burma (Myanmar)
Read ArticleDNA Techniques Applied to the Identification of Pinctada Fucata Pearls from Uwajima, Ehime Prefecture, Japan Supplementary Data
Read ArticleUpdate on "Low-Temperature" Heat Treatment of Mozambican Ruby: A Focus on Inclusions and FTIR Spectroscopy
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