While it retails for $299.99, Costco's Black Friday sale is selling it for ... There are a total of 140 diamond stones ...

Discover Costco exclusives worth the membership. Read on for quality wines, best-selling olive oil, and cakes fit for any ...

Kim Kardashian wore not one, but two giant diamond rings while meeting her "new friend" Optimus, Tesla's humanoid robot.

Product Spotlight Blue Nile Blue Nile is an exemplary destination to find your next diamond ring on sale. Ahead of Black ...

Costco's Executive membership gives you 2% cash back on purchases. But there are rules for where you can spend that money.

Some of the gems may have featured in a royal scandal known as the "affair of the diamond necklace" that damaged the French ...

Looking for the best place to shop for early holiday sales? Costco has fantastic deals throughout November. Don't miss these ...

Sign up for a one-year Costco Gold Star Membership for $65 and receive a $45 Digital Costco Shop Card. Shop at any warehouse ...

The retailer's official holiday shopping event will run from Nov. 29 to Dec. 2. Here's what shoppers need to know for saving ...