Diamonds might be forever but that doesn't stop them being bought and sold. One stone thought to have once belonged to Marie ...

A rare 10-carat pink diamond ring will go up for auction at Christie's in New York City next month. It is said to be tied to Marie Antoinette and will be featured in the "Magnificent Jewels" auction.

A large pink diamond believed to have been ... New York next month — and is expected to sell for millions of dollars. The rare 10-carat diamond is set in a ring designed by jeweler Joel Arthur ...

A rare 10-carat pink diamond with roots in French royalty is set to draw millions when it hits the ... from public view for decades. Set in a ring designed by jeweler Joel Arthur Rosenthal ...

A pink diamond, believed to have been owned by Marie Antoinette, was the headline of a recent auction in New York, commanding a huge return.

NEW YORK - A rare pink diamond will soon head the auction block and is expected to sell for millions of dollars. Sotheby's announced "The Eternal Pink" diamond weighs 10.57 carats and has an ...

A large pink diamond believed to have been passed down from France's Queen Marie Antoinette to her daughter is going up for auction in New York next month — and is expected to sell for millions ...

“With its unprecedented size, piercing color and rare degree ... purplish-pink diamond.” The stone featured a cushion mixed cut and was set as a size six-and-a-half ring.

Video. A rare pink diamond with ties to European royalty is set to be auctioned in New York next month, with estimates reaching up to €4.6 million.

A rare blue diamond was on display Tuesday ... A 40.29-carat radiant-cut fancy light pink diamond ring, left and a 102.60-carat round white diamond. Eight diamonds on display at the Sotheby ...