4 of the Most Expensive Rubies ever mined and sold

4 of the Most Expensive Rubies ever mined and sold

Weigh at 25.59 carats, this piece was sold for $30.42 million at Sotheby’s auction in Geneva in 2015. The ruby is of Burmese origin and has a rare color of pigeon’s blood. The cushion-shaped ring also came with shield-shaped diamonds weigh at 2.47 and 2.70 carats and was signed by Cartier.

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