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Blue diamond sells at Christie's for $57.5 million
The world's most expensive blue diamond, the Oppenheimer Blue sets a new world record - CNN Style
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A 5-Carat Fancy Vivid Blue Diamond Sold for HK$108m at Sotheby's Hong Kong | Auctions News | THE VALUE | Art News
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The world's most expensive blue diamond, the Oppenheimer Blue sets a new world record - CNN Style
The Blue Moon Diamond - The Most Expensive Diamond in the World! | Naturally Colored
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7-Carat Blue Diamond Ring By Moussaieff Could Fetch $14 Million
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Christie's NYC Sold $69 Million of Precious Jewels in a Single Night
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