This elegant marquise cut diamond ring is crafted in solid platinum, offering a classic and timeless design suited for engagement or special occasions. The ring features a total diamond carat weight of 1.21 CTW, with diamonds graded H on the GIA color scale (near-colorless) and VS1 clarity (Very Slightly Included 1), indicating excellent transparency with only minor inclusions invisible to the naked eye.

The marquise cut, also known as the navette cut, is an elongated shape with pointed ends that maximizes carat weight and creates the appearance of a larger stone. Set in platinum — one of the most durable and hypoallergenic precious metals — this ring is sized 6 and carries the style number JNB4769C-PT. Costco diamond jewelry in this category typically includes third-party gemological certification (such as GIA or IGI), ensuring the stated grades are independently verified.