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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The Real Story Behind How the World's Largest Rough Diamond Was Cut for the Queen's Crown Jewels
Emily Barber, Director of Jewelry at Bonhams UK ... tells the story of the cutting of the legendary Cullinan Diamond.” The original rough diamond was discovered in 1905 near Pretoria, South ...