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Largest ruby ever found to be auctioned
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10 Most Valuable Gemstones in The World - The Pearl Source
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The World's Rarest Diamonds - Brilliant Earth
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Pink 'Princie' Diamond From Famed Golconda Mine Expected to Fetch Up to $40 Mil. at Christie's Auction April 16
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These diamonds are a Natural History Museum's best friend – Daily News
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Lulo Rose: Largest pink diamond in 300 years found in Angola - BBC News
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Farnese blue diamond sells for $6.7 million
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Rare pink diamond found in Angola may be the largest seen in 300 years
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Miners find pink diamond believed to be largest found in 300 years
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Rare 12-Carat Round Pink Diamond Could Fetch $10 Million At Auction
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Rare purple-pink diamond could fetch up to $38M at auction
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Rare pink diamond smashes record - SWI