Radiant Cut Ruby Engagement RingThis ring features one of the biggest radiant cut stones we have in our collection. And fashioned with sterling silver its a must have. Our genuine rhodium finish is achieved using an electroplating process that coats the item with heavy layers of rhodium a close cousin to platinum which gives our jewelry a platinum luster. Setting Type: Prongs Stone Size: 11 Mm X 9 Mm Stone Cut: Radiant Carat Weight: 6. 12 (ct)