Rhodium Plated Brass Engagement Ring With A 12mm X 14mm Oval Cz Center Stone center design width 15mm ( 0.61 inch) center design length 18mm ( 0.70 inch) center stone width 12mm ( 0.48 inch) center stone length 14mm ( 0.56 inch) side stone diameter 1.5mm ( 0.06 inch )