Buy direct from select brands at a Costco price.
Find an expanded product selection for all types of businesses, from professional offices to food service operations. Our Costco Business Center warehouses are open to all members.
Delivery is available to commercial addresses in select metropolitan areas.
NEW! Order items for Same-Day Delivery to your business or home, powered by Instacart.
Optimize your sight
Sign In For Price
After $300 OFF
Special Event - Ends 5/7/23
Add a little sparkle to your ensemble with gorgeous diamond earrings from Costco. Every woman should experience the luxury of owning premium-quality diamond earrings, and Costco makes that dream possible with our affordable prices. You can shop with confidence, knowing that our expert Gemologists inspect every diamond to ensure it meets the strictest quality standards in the industry. Browse our impressive inventory, which includes diamond earrings in various sizes, cut combinations, and price points. Whether you’re looking for sleek diamond stud earrings, yellow diamond Halos or diamond encrusted hoops, you’ll find exactly what you’ve been searching for at Costco.