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1.12 CT Round Brilliant Platinum Solitaire Ring, IF Clarity, H Color
In-store pricing snapshot
Last known warehouse price · Jun 10, 2025. Currently out of stock.
* Prices shown are for Costco members only.
This elegant platinum solitaire ring features a 1.12 carat round brilliant cut diamond of exceptional quality. The center stone carries an Internally Flawless (IF) clarity grade—the highest tier of clarity available—meaning no inclusions or blemishes are visible under 10x magnification. The H color grade places the diamond in the near-colorless range, offering a bright, icy appearance that pairs beautifully with the cool tone of the platinum setting.
The ring is crafted in platinum, a premium precious metal prized for its durability, density, and natural white luster that will never fade or require re-plating. A classic four- or six-prong solitaire setting securely showcases the diamond while maximizing light exposure for optimal brilliance and fire. Costco's diamond jewelry is independently certified, typically by the GIA (Gemological Institute of America) or IGI, ensuring the stated carat weight, clarity, and color grades are verified by a third party.