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.

This 31.06-carat deep-blue diamond originated in India sometime during the 17th century before being bought by Laurence Graff, founder of Graff Diamonds, for around $19 million in American dollars ...

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 Golconda Blue, a rare and vivid blue diamond once owned by the maharajas of Indore and Baroda, will be auctioned at Christie's 'Magnificent Jewels' sale in Geneva on May 14. Weighing 23.24 ...

One of the world's rarest diamonds is up for auction - for an expected £15million. The Mediterranean Blue is a vivid blue diamond ring weighing more than ten carats. And the stone is classified ...

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 ...

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, Abu Dhabi. The eight diamonds on display ...

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 ...