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Costco Settles Longtime Dispute Over ‘Tiffany’ Diamond Rings

Customers browse in the jewelry department at a Costco store in Miami, Florida.
Photographer: Scott McIntyre/Bloomberg

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By Bob Van Voris

July 19, 2021 at 9:03 PM UTC

Costco Wholesale Corp. and Tiffany and Co. agreed to settle a long-running lawsuit over the warehouse retailer’s sale of “Tiffany” diamond engagement rings.

The fabled jewelry store chain first sued Costco in 2013, claiming its trademark had been violated. The parties on Monday told U.S. District Judge Lewis Liman Monday that they had agreed to dismiss the case.