If you never wear your Tiffany engagement ring or other jewelry, sell it before prices fall further. Tiffany does not buy ...

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 ...

Tiffany & Co. is suing Costco for allegedly marketing engagement rings as "Tiffany" brand. The lawsuit claims Costco sold engagement rings in stores under the label "Tiffany" in stores but never ...

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 ...