Real in-store prices from 600+ Costco locations. Download on the App Store to track prices, scan shelf tags, and get alerts.
1.28 CTW Round Diamond Platinum Wedding Ring, 1.01 CT Center, VS2, "E" Color
In-store pricing snapshot
Last known warehouse price ยท Mar 8, 2026. Currently out of stock.
* Prices shown are for Costco members only.
This platinum wedding ring features a stunning 1.01 carat round brilliant-cut center diamond graded VS2 (Very Slightly Included) clarity and E color โ one of the highest color grades available, representing a near-colorless to essentially colorless diamond with exceptional whiteness. The total diamond weight is 1.28 carats, with additional round diamonds accenting the platinum band.
Platinum is one of the most prestigious and durable metals for fine jewelry, offering a naturally white luster that enhances the brilliance of the diamonds without any yellowing over time. The VS2 clarity grade indicates that inclusions are minor and not visible to the naked eye, ensuring a clean, brilliant appearance. E color diamonds fall within the colorless range on the GIA scale, making this an exceptional-quality stone.
The ring is crafted in platinum (950 or 900 platinum), which is hypoallergenic and significantly denser and more durable than white gold. Costco diamond jewelry of this type typically includes a GIA or IGI grading certificate for the center stone, providing independent verification of the diamond's quality characteristics.