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 ... It allows customers to purchase engagement rings, wedding bands, and other jewelry pieces directly through its website, often at lower prices ...

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 ...