Sotheby’s and Christie’s sold a combined $158,152,390 worth of jewels this week in New York, in sales that were dominated by spectacular named diamonds (flawless, colored, or huge), along with ...

A dazzling selection of Burmese rubies, Kashmir sapphires and rare colored diamonds are on the block at jewelry auctions by Christie’s and Phillips this fall, indicating the enduring investment ...

The top lot is the Red Dragon, a 6.43-carat Burmese ruby and diamond ring estimated at $1 million to $1.5 million. The exceptional purplish-red color is natural (many rubies are heat-treated). It is ...