Costco does not offer cleaning or repair services ... It allows customers to purchase engagement rings, wedding bands, and other jewelry pieces directly through its website, often at lower prices ...

and their friends call their child the 'Costco Baby' Selling everything from engagement rings to groceries, Costco is the master at giving shoppers the best bang for their buck. Plus, its in-house ...

The smart rings aren't available in Costco stores. An Oura representative did not say when they would be available in-store. However, the company continues to expand its retail footprint.