SYNTHETIC DIAMOND JEWELRY AND FABRICATION METHOD THEREOF
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United States of America Patent
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Apr 1, 2021
app pub date -
Aug 13, 2020
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Aug 13, 2019
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Abstract
A method of forming a diamond bulk object includes heating a crystalline material on a support disposed in a volume defined by a chamber, introducing into the volume a reactant gas including a hydrogen-containing component and a carbon-containing component, depositing a plurality of layers of diamond by chemical vapor deposition (CVD) to form at least a portion of the diamond bulk object on the support, and forming a predetermined color gradient in the plurality of layers of diamond.
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