This Extremely Rare 10-Carat Blue Diamond Could Fetch $20 Million at Auction
The extremely rare, 10-carat Mediterranean Blue diamond could fetch a whopping $20 million at Sotheby's High Jewelry auction ...
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'Bubblegum' Pink Diamond Weighing Over 10.5 Carats Expected to Sell for More than $35M at Auction
Sotheby's says the spectacular diamond has the "highest price per carat estimate ever ... The "Eternal Pink" Diamond, a 10.57-carat cushion-cut jewel with an "electric 'bubblegum' color" is ...