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Sunday, April 18, 2021

Blue Graining In Green-Yellow Diamond

Radiation damage was most likely the cause of blue graining in the HPHT-treated and irradiated fancy intense green yellow diamond. A fascinating discovery by the GIA researchers.


Useful link: https://www.gia.edu/gems-gemology/winter-2020-labnotes-blue-graining-green-yellow-diamond

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