Sotheby's sale of 110 lots includes important pieces from the Vanderbilt and Wade families, and a private collection in which ...

While it may look like a blazing red ruby, the 2.33-carat Winston Red Diamond is just that—a diamond. One of the rarest ...

In a sea of jewels, one particular stone has been stealing the show.A rare 10-carat pink diamond will be on display at ...