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According to the Christie’s auction house, due to its rich coloration, the Mellon Blue belongs to the rare category of vivid fancy diamonds, which accounts for less than 1% of all rare blue diamondsMellon Blue diamond sells for $25.6 mln in Geneva
According to the Christie’s auction house, due to its rich coloration, the Mellon Blue belongs to the rare category of vivid fancy diamonds, which accounts for less than 1% of all rare blue diamonds Read more











