You can buy a diamond at Tiffany, Blue Nile, or Costco, but there are some things you should know before buying one anywhere.

A Massachusetts man finally won back the $70,000 Tiffany's engagement ring he gave to his cheating partner after seven years. Appealing his initial case, when Bruce Johnson, 67, took teacher ...

Four years after being acquired by French luxury group LVMH, Tiffany & Co. is rebooting its watch collections by leaning into ...

Costco owes more than $19 million, a federal judge ruled Monday, for selling engagement rings it named after the storied jewelry shop Tiffany’s. MANHATTAN (CN) — Finding that Costco’s so-called ...

Luxury jeweler Tiffany & Co. has debuted an iPhone application that merges mobile and interactive shopping for consumers who are looking to select an engagement ring. The Tiffany & Co. Engagement Ring ...

The ring, which is rumoured to be from Tiffany & Co, features a large white diamond set on an incredibly chunky gold band.

In appreciation of their service, Tiffany & Co. offers 10% off engagement rings and wedding bands for active duty, reservists and veterans of the U.S. Armed Forces. Fiancés, domestic partners ...