Jewelry might not be the first thing that comes to mind when you think of Costco, but the warehouse club has a wide selection of fine jewelry -- and it's offering some major discounts on bracelets, ...

Costco will have to fork over at least $5.5 million to Tiffany & Co. after it sold about 2,500 engagement rings from display cases emblazoned with the name of the famed jewelry store. The amount ...

These Costco Valentine’s Day gifts range from jewelry and roses to designer fragrances, and shoppers say they sell out quickly.

A Manhattan federal judge ruled warehouse retailer Costco Wholesale Corp. must pay Tiffany & Co. more than $19 million for selling what it marketed as "Tiffany" engagement rings. The ruling stems from ...

Costco must pay the storied jewelry company Tiffany & Co. more than $19 million for selling about 2,500 diamond rings falsely identified on store signs as “Tiffany” rings, a federal judge ruled Monday ...

Items such as Aspirin and Thermos are so common that most people use the name to refer to the product, not the brand. That’s how trademark protections are lost and that’s why corporate America defends ...