Rare blue diamond goes under hammer in Geneva for $17 million
Rival auction house Christie’s opened the season on Tuesday with 167 lots that sold for $97 million, beating its pre-auction estimate of $80 million.The “Sky Blue” sale…
Read moreRival auction house Christie’s opened the season on Tuesday with 167 lots that sold for $97 million, beating its pre-auction estimate of $80 million.The “Sky Blue” sale…
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