Christie’s Magnificent Jewels auction in New York on December 10 is led by a 5.72-carat fancy intense blue diamond with an estimate of $6 million to $8 million. Also among the top lots are several ...

CLEVELAND — An Ohio charity recently received a jaw-dropping donation — a 5.5-carat diamond, valued at nearly $240,000. Now, they’re trying to figure out what to do with it. Based in Rocky River, Ohio ...

A statement blue diamond and the largest round diamond ever to appear at auction are among the highlights of a varied program of offerings at Sotheby’s New York Magnificent Jewels sale to be held ...