1.21 ct Round Brilliant Platinum Solitaire Ring, VVS1 Clarity, I Color

This stunning solitaire ring features a 1.21 carat round brilliant-cut diamond set in a classic platinum mounting. The diamond is graded VVS1 (Very Very Slightly Included 1) for clarity, placing it in the near-flawless range where inclusions are essentially invisible even under 10x magnification. The I color grade falls within the near-colorless range on the GIA scale, offering an excellent balance of quality and value with any slight warmth difficult to detect once set in platinum.

The ring is crafted in platinum, one of the most durable and naturally white precious metals, which enhances the diamond's brilliance and provides a secure, long-lasting setting. The classic solitaire style keeps the focus entirely on the center stone, making it an ideal choice for engagement rings or fine jewelry. The round brilliant cut is the most popular diamond shape, renowned for its exceptional light performance and maximum sparkle with 58 facets precisely angled to optimize brilliance and fire.

Costco's diamonds come with a grading report from an independent gemological laboratory (GIA or IGI), and the item description references certificate number 6452656141. Costco is known for offering high-quality diamonds at competitive prices compared to traditional jewelry retailers.