Performances in N.Y.C. Advertisement Supported by The Empire State Building honors New York City Ballet’s 75th anniversary by lighting up in blue, favored by George Balanchine as a backdrop.

The latest blue diamond to hit the auction block certainly lives up to its namesake. The 10.03-carat Mediterranean Blue gem will be the crown jewel at Sotheby’s High Jewelry Auction this May ...

The 23.24-carat “Golconda Blue” fancy vivid blue diamond has been pulled from the May 14 Christie’s Magnificent Jewels sale. If it went to auction it would have been the largest fancy vivid ...

Christie’s is getting ready to present The Golconda Blue, the largest Fancy Vivid Blue Diamond ever to be offered at auction. Weighing 23.24 carats, this gemstone will headline Christie’s ...

ABU DHABI, United Arab Emirates — A rare blue diamond was on display Tuesday at an exhibition of $100 million worth of the world's rarest diamonds in the United Arab Emirates’ capital ...

A rare 10-carat blue fancy diamond could fetch up to $20 million when it goes to auction in Geneva on May 13, auction house Sotheby’s said on Thursday. The cushion-shaped piece, known as the “ ...