For the unforgettable moments in your life, celebrate with an expression of your love: a celebration diamondâ® solitaire engagement ring. This 1/2 ct. Solitaire diamond is set in a 18k white gold cathedral mounting with a platinum head. Every celebration diamondâ® received excellent rankings for superior cut and color. Each diamond is laser-inscribed with a certification number and 'celebration' inside of the band. The ring comes with a certificate that includes a photo and a description of the diamond, which guarantees quality and can be used for insurance purposes. 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.