Fashioned in 18k white gold, this 7/8 ct. T. W. Diamond engagement ring showcases a 1/2 ct. Celebration 102â® diamond center stone framed with accent diamonds. Every celebration 102â® diamond received excellent rankings for superior cut and color. Insuring authenticity and protection, each diamond is laser-inscribed with a certification number inside of the band. This ring comes with a certificate that includes a photo and a description of the diamond. Due to the nature of pre-owned jewelry, the ring you choose may have been previously sized. Ring styles from our pre-owned jewelry inventory are sold at their current size and cannot be resized at purchase. As this inventory constantly changes, we are unable to state or guarantee the size of any pre-owned ring.