When you think of where to buy your engagement ring, you might think of Zales, Tiffany & Co., or Blue Nile. But if you've ever walked past the diamond counters at a Costco warehouse, you might be ...

Costco's going to pay for selling "Tiffany" engagement rings that weren't made by Tiffany. U.S. District Judge Laura Taylor Swain ruled on Monday that Tiffany is entitled to $11.1 million in trebled ...

One thing you may have never expected to find at Costco — a place where we commonly go to stock up on things like paper towels and peanut butter pretzels — is a stunning collection of jewelry, ...

Did you know you can buy diamond rings at Costco? And expensive ones, at that. The warehouse retailer said during its latest quarter ended May 12 it got a sales boost thanks to a customer purchasing ...

PHOENIX - Police have arrested a Mesa woman accused of stealing diamond rings at Costco stores across the Phoenix metropolitan area and swapping them out with fake ones. Keisha Joice is suspected of ...

On October 5, 2016, a Southern District of New York jury ordered Costco Wholesale Corp. (“Costco”) to pay Tiffany & Co. (“Tiffany”) an additional $8.25 million in punitive damages for selling “Tiffany ...

Costco is off the hook for a $21 million payment to Tiffany & Co., a federal appeals court said Monday. Tiffany accused Costco in a 2013 lawsuit of trademark infringement and counterfeiting for Costco ...

A multimillion-dollar judgement against Costco Wholesale (NASDAQ: COST) arising from a trademark infringement and counterfeiting lawsuit has been quashed on appeal. On Monday, a federal appeals court ...

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