A 10.33-carat Burmese ruby sold for an impressive $5.5 million after a six-minute bidding war among two bidders on the phone and one in the New York saleroom at Sotheby’s Magnificent Jewels auction.

There is historical precedent. Napoleon, to mark the long-awaited arrival of his heir, and to thank the woman who made it happen, summoned all the jewelers in the land to send their absolute best ...

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 ...

Almost 52 years ago, Candy Udell, the president of London Jewelers, the jewelry titan on Long Island and beyond, got engaged to Mark Udell. Her ring? A pear-shaped diamond. “It was all the rage then,” ...