Guaranteed VS2 or better (minor inclusions nearly invisible to the naked eye). Color: Guaranteed "I" or better (near-colorless range). Cut: Ranges from Good to Excellent .

Diamonds of 1.00 carat or larger include third-party grading reports from the GIA or AGS. The Costco Trade-Off Jewelry Buying Guide Diamonds - Costco Wholesale

Typically set in high-quality 950 Platinum or 14kt/18kt Gold .

Buying a diamond ring at is often considered a high-value alternative to traditional jewelry stores, offering quality stones with a 100% Satisfaction Guarantee . While you sacrifice the "boutique experience" and customization, the pricing is typically 20% to 40% lower than comparable mall retailers. Quick Specs & Quality Standards

Costco maintains strict minimum quality requirements for all natural, untreated diamonds:

Buying Diamond Rings At Costco May 2026

Guaranteed VS2 or better (minor inclusions nearly invisible to the naked eye). Color: Guaranteed "I" or better (near-colorless range). Cut: Ranges from Good to Excellent .

Diamonds of 1.00 carat or larger include third-party grading reports from the GIA or AGS. The Costco Trade-Off Jewelry Buying Guide Diamonds - Costco Wholesale buying diamond rings at costco

Typically set in high-quality 950 Platinum or 14kt/18kt Gold . Guaranteed VS2 or better (minor inclusions nearly invisible

Buying a diamond ring at is often considered a high-value alternative to traditional jewelry stores, offering quality stones with a 100% Satisfaction Guarantee . While you sacrifice the "boutique experience" and customization, the pricing is typically 20% to 40% lower than comparable mall retailers. Quick Specs & Quality Standards Diamonds of 1

Costco maintains strict minimum quality requirements for all natural, untreated diamonds: