This Platinum Eternity Band features natural mined radiant cut diamonds, neither the color nor clarity of the stones was enhanced (diamonds are not enhanced in any way). The ring is provided with a gemological appraisal from the American Appraisal Association. GIA and EGL only certify individual diamonds, they do not certify jewelry items, but all our high end diamond jewelry items like this ring do come with appraisal certificate from independent gemological laboratory, done by GIA certified appraiser. The certificate states the metal used, quality of diamonds and appraised value of the item and can be used for insurances purposes.