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The first of its kind Alrosa’s Matryoshka Diamond a diamond-within-a-diamond was examined by GIA.
Diamonds.net - GIA Examines Alrosa’s Matryoshka Diamond
RAPAPORT... Three months after Alrosa revealed its discovery of a diamond-within-a-diamond, the Gemological Institute of America (GIA) has proposed an explanation for how this mysterious phenomenon came about. The GIA’s team, which examined the stone at its New York lab, found that over a...
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