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 of ...

Experts at a laboratory in Botswana managed by the Gemological Institute of America recently examined an extraordinary natural diamond with two distinct color zones. When you purchase through links on ...

Christie's next month will sell The Eden Rose, a rare internally flawless 10.2-carat brilliant-cut pink diamond that takes its name from a flower symbolizing unconditional love. The strikingly perfect ...

A rare bi-colored pink diamond of “astounding weight” was found at the Karowe diamond mine in Botswana, according to the Gemological Institute of America. Lucara Diamond A rare rough, or uncut, pink ...

In a sea of jewels, one particular stone has been stealing the show. A rare 10-carat pink diamond will be on display at Christie's Auction House in New York City. The Marie-Thérèse Pink Diamond is a ...

Every gemstone worth its weight needs a good story and the Marie-Thérèse pink diamond certainly has one. The clue is in the name, referring to the only surviving child of King Louis XVI and Queen ...

Pink diamonds are already among the rarest gemstones on earth. Add to that a documented royal provenance, an 18th-century origin and a JAR setting, and the result is a jewel that exists in a category ...