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A blue diamond with inclusions under the table is held up in tweezers.
Article
Where Do Blue Diamonds Come From? Blue Diamonds Have a Surprising “Superdeep” Origin and a Link to Ancient Oceans

This is an extended abstract of the article ‘Blue boron-bearing diamonds from Earth’s lower mantle,’ published in the 2018 August issue of Nature. GIA Researcher Evan Smith is the lead author of the article.

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Article
Large, Rare Diamonds Reveal the Inner Workings of Earth’s Mantle

This is an extended abstract of the article ‘Large Gem Diamonds From Metallic Liquid in Earth’s Deep Mantle,’ published on December 16, 2016 in Science magazine. GIA Postdoctoral Research Fellow Evan Smith is the lead author of the article.

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Article
Diamond Growth from C–H–N–O Recycled Fluids in the Lithosphere: Evidence from CH4 Micro-inclusions and δ13C–δ15N–N Content in Marange Mixed-habit Diamonds

Article was published in Lithos Volume 265, 68-81.

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Article
Type Ib Diamond Formation and Preservation in the West African Lithospheric Mantle: Re–Os Age Constraints from Sulphide Inclusions in Zimmi Diamonds

Article published in Precambrian Research 286, 152-166.

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Article
Fluid CH4 and H2 Trapped Around Metallic Inclusions in HPHT Synthetic Diamond

Article published in Diamond and Related Materials, Volume 68, 2016, Pages 10–12

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