A 12.03 carat Nicknamed the Blue Moon Diamond will be offered for sale at the Sotheby's Magnificent jewels and noble jewels sale in geneva on November 11.
This beauty is expected to smash the previous record set at a Sotheby's auction last year - The Zoe diamond. It is expected to fetch between $35 million and $55 million. It is a product of the Cullinnan mine, famous for producing another rare Blue diamond.
If you would like to see this special gem (why not?) It will be on exhibit in London, Hong Kong, and New York.