35.56-carat jewel likely to defy market slump
(NEWSER) - A rare blue diamond with a rich history could sell for $13.4 million at auction in London tomorrow, despite the international economic slump, Bloomberg reports. The 35.56-carat Wittelsbach Diamond, the highest-valued stone offered by Christie’s International this year, belonged to Spain’s King Philip IV. He gave it to his daughter in 1667 as part of her marriage dowry to Emperor Leopold I of Austria; it has belonged to a private collector since 1964. More»