Blue diamonds are considered the rarest and most desired on the market. A particularly big one sold for millions at Sotheby’s on Thursday, scraping just beneath the surface of its $26 million ...

A striking colored-diamond ring is the star of Christie’s upcoming jewelry sale. The 5.7-carat fancy intense blue diamond ring leads the auction house’s Magnificent Jewels auction with an estimate of ...

A blue diamond lived up to the hype at auction this week. The 5.7-carat fancy intense stone, mounted as part of a diamond ring, hammered down for $8.8 million during Christie’s Magnificent Jewels sale ...

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 ...

A 5.72-carat fancy intense blue diamond sold for more than $8.8 million, making it the top lot of a varied and successful Christie’s Magnificent Jewels auction held Tuesday in New York. It was the ...