A 55.22-carat ruby has become both the largest and most valuable gem of its kind ever to sell at auction, netting $34.8 million on Thursday. The stone went under the hammer in New York in June, less ...
A 55.22-carat ruby has become both the largest and most valuable gem of its kind ever to sell at auction, netting $34.8 million on Thursday. The stone went under the hammer in New York in June, less ...
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