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GIA Mineral
GIA Names New Mineral Crowningshieldite
The Gemological Institute of America (GIA) has discovered a new mineral while studying flaws in large diamonds from
News Oct 10, 2018 Rapaport News
Hope diamond
GIA Reveals Why Diamonds Are Blue
Blue diamonds may get their color from traces of boron contained in the floors of ancient oceans, according
News Aug 02, 2018 Rapaport News
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