Beauniq Solid Sterling Silver Rhodium Plated Simulated Blue Sapphire and Cubic Zirconia Halo Ring Solid rhodium plated sterling silver, simulated sapphire and cubic zirconia Center stone measures 9mm (3/8 in) x 13mm (1/2 in) and the surrounding stones measure 3.50mm (0.17ct) each Ring band measures 2.5mm