Whether it’s Tiffany or Costco, here’s what you need to know Reviewed by Margaret James Costco may not be the first store that comes to mind when you think about shopping for a diamond ring. But the ...

Costco does not offer cleaning or repair services for its jewelry. The most expensive ring as of February 2025 is $320,000, but there are much more affordable prices. Unlike a store like Tiffany ...

Costco owes more than $19 million, a federal judge ruled Monday, for selling engagement rings it named after the storied jewelry shop Tiffany’s. MANHATTAN (CN) — Finding that Costco’s so-called ...