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 ...

Costco also doesn't offer cleaning or repair services for rings purchased there, perks most jewelry stores have. Whether you're about to drop down on one knee or do as I did and nervously let the ...

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 ...