Sold at Sotheby's Geneva for 8,034,503 Million - 7.64ct Natural Fancy Intense Blue. ($1,051,646 per ct)
Fancy-Intense Blue Diamond sets record... Sotheby's Geneva A fancy intense blue cushion-shaped diamond weighing 7.64carats,mounted in yellow gold and platinum, saw competition from at least three potential buyers before selling to an anonymous client for $8,034,503 at a Sotheby's auction in Geneva.
The sale of the diamond, which had an estimate of between $4-6 million, sets a new record price of $1,051,636 per for carat for a fancy intense blue diamond sold at auction. Sotheby's established the current world record price per carat at auction (USD $796,178) for a fancy intense blue diamond in November 2009 in Geneva with the sale of a 3.17 carat round brilliant-cut stone.