39-Carat Blue Diamond Sells to De Beers, Diacore for $40M
The “exceptional” stone went for about $1 million per carat and is the second natural color rough diamond purchased by the two companies.
Like the 39-carat blue diamond, those stones came from the Cullinan Mine, which has yielded a number of famous diamonds, both natural color and colorless.
PGI created the program to accelerate the growth of the platinum jewelry market in the U.S.
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They bought and resold jewels from a South America-based gang that targeted traveling salespeople across the United States.
Graders at HRD Antwerp found this one, a HPHT-treated natural diamond inscribed with the report number of an untreated stone.
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