Tiffany Squares Off Against Costco

The jeweler sued Costco, claiming it sold engagement rings that it passed off as Tiffany-branded rings.

By Alexandra Steigrad

legal/news

How much is a good reputation worth? That’s one of the questions Tiffany & Co. is exploring in a lawsuit it filed Thursday against Costco Wholesale Corp.

The high-end jeweler...

Tiffany Squares Off Against Costco

The jeweler sued Costco, claiming it sold engagement rings that it passed off as Tiffany-branded rings.

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