Diamonds have long been a symbol of wealth, power and prestige. Some of the most exquisite diamonds in history have fetched record-breaking prices at auction, often ending up in the hands of ...

The pink color diamond was mounted on a platinum ring and was sold at Sotheby's auctioneers in Geneva, Switzerland in 2010. It is one of the greatest diamonds that was ever discovered and is also ...

From Gwen Stefani's $500,000 sparkler to Mariah Carey's 35-carat emerald-cut diamond, here are the most expensive celebrity engagement rings ever.

The Williamson Pink Start diamond is now the most expensive diamond ever sold per carat. It sold Friday at $57.73 million.

An unidentified buyer paid CHF 39,505 million (US$43.8 million) for the pear-shaped Bleu Royal, as the gem is known, placing it among five most expensive fancy blue diamonds sold at auction.

The Williamson Pink Start diamond is now the most expensive diamond ever sold per carat. It sold Friday at $57.73 million.

Created in 1964, the silkscreen image shows Monroe in vivid color, with blue eyeshadow and bright red lips. To date, this is the most expensive work sold by an American artist at auction.

Sotheby's in New York claims a pink diamond of 'unparalleled color and brightness' that may be the most significant of its type may sell at auction for over $35million when it goes up for bids in ...

Here’s a look at the most expensive diamonds ever purchased and their current owners. Also, check out the most expensive pieces of jewelry.