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Platinum VS2 I Color 1.00 ct Round Brilliant Diamond Solitaire Ring
In-store pricing snapshot
Last known warehouse price ยท Aug 21, 2026. Currently out of stock.
* Prices shown are for Costco members only.
This classic solitaire ring features a 1.00 carat round brilliant-cut natural diamond set in 950 platinum. The diamond is graded VS2 (Very Slightly Included) clarity and I (Near Colorless) color, with a GIA Cut Grade of Very Good or better, delivering outstanding brilliance and fire in a timeless four-prong setting.
Every ring comes with a Jewelry Grading and Gemological Report certifying the diamond's authenticity, along with a GIA (Gemological Institute of America) Gem Trade Laboratory Diamond Grading Report. Costco guarantees all diamonds supplied are VS2 clarity or better and I color or better. The ring is available in sizes 5 through 8 and can be sized to any size by an independent jeweler.
Shipping is by air via UPS, fully insured, with signature required upon delivery. Returns on rings containing a 1.00 ct center diamond or larger require verification by a Graduate Gemologist, which may take up to five business days. The ring is also the April birthstone choice, making it an exceptional engagement or anniversary gift.