A piece from our iconic classics bridal collection - timeless designs crafted for a lifetime. This promise ring with radiant lab-grown diamonds is a beautiful symbol of what's to come. 10k yellow gold 1/3 ct. Round-cut lab-grown diamond center stone in a talon-prong setting round lab-grown diamonds adorn the cushion frame and twisted shank 5/8 ct. T. W. Of certified lab-grown diamonds; f color/vs2 clarity includes certification card