Bleu Royal: Vivid blue diamond could fetch over $50 million at

Christie's hopes Bleu Royal's final bid will surpass Oppenheimer Blue's, which fetched over $57 million in 2016

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Christie's sells rare blue diamond for over $43 million (Global) 8

Infinite Blue Fetches $25.3m, Just Below Estimate

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Vivid blue diamond could sell for $50 million at auction

Bleu Royal' diamond fetches almost $44 million at Christie's

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Bleu Royal: Vivid blue diamond could fetch over $50 million at Christie's auction

Rare Bleu Royal Diamond Fetched Over 40 Million Dollars At Auction

Bleu Royal' diamond expected to fetch $50m

Bleu Royal diamond rakes in nearly $44 mn at Geneva auction

This Rare Gem Could Sell for $50M