The De Beers Blue, the largest vivid blue diamond ever to appear at auction, fetched more than $57.4 million and approximately $3.8 million per carat, making it one of the highest prices ever ...

The largest internally flawless fancy vivid blue diamond ever put up for auction sold for a staggering $43.8 million at a Christie’s sale of rare jewels in Geneva on Tuesday, the auctioneer said.

GENEVA -- The " Oppenheimer Blue" diamond sold Wednesday for more than 56.8 million Swiss francs ($58.2 million) including fees, setting a new record for the per-carat price for a diamond.

* A gem and diamond necklace, designed by Cartier in 1930s, brought in $337,203. * A Cartier “Parrot” ring set with a cushion-shaped very light pink diamond weighing 3.77 carats achieved $274,758.

An exceptionally-rare blue diamond went under the hammer in Geneva late Tuesday, selling for R383 million, Sotheby's auction house said. "The Mediterranean Blue", a fancy vivid blue diamond weighing ...