Choose from a large collection of classic or contemporary wedding sets, timeless solitaires, engagement rings, fancy colored diamonds, and more. You can even filter your search by desired cut, clarity, or composition.

At Costco, we offer a large selection of diamond and gemstone rings to suit every style and budget. From promise rings and wedding sets, to cocktail rings, we have something for every occasion. You can even customize your shopping experience by selecting your price point, metal preference, or stone shape.

Costco Travel sells exclusively to Costco members. We use our buying authority to negotiate the best value in the marketplace, and then pass on the savings to Costco members. Shop Travel

Sealy Posturepedic Plus Mount Auburn 13” Medium Queen Mattress $579.99 After $120 OFF

Choose from a large collection of classic or contemporary wedding sets, timeless solitaires, engagement rings, fancy colored diamonds, and more. You can even filter your search by desired cut, clarity, or composition.

Shop wedding ring sets with emerald, round brilliant, and princess cuts at Costco.com to find the perfect complement to your wardrobe and life at a great value today!

Ring Size: 7 - Sizeable within 1 size ( Costco does not provide this service ) All diamonds offered by Costco are natural and untreated. This item comes with a Jewelry Grading / Gemological Report.

Whether you’re purchasing a wedding band to wear alone, with an existing ring, or to complement your partner’s ring, you’ll find exactly what you’re looking for at Costco. We carry a broad selection of wedding bands, for both men and women, in a variety of widths and finishes.

Shop wedding ring sets with emerald, round brilliant, and princess cuts at Costco.com to find the perfect complement to your wardrobe and life at a great value today!

Whether you’re purchasing a band to wear alone, with an existing wedding ring, or to complement your partner’s ring, you’ll find exactly what you’re looking for at Costco. We carry a broad selection of fine gold and platinum bands, for both men and women, in a variety of widths and finishes.