ring setting for 13x18mm oval cabochons white gold plated 925 silver adjustable band ring blank jz032 hanhe-great bead priced per 1 blank ring base. <br> material: white gold plated 925 sterling silver<br> weight: about 2.6g<br> ring band size: adjustable<br> total base size: 19mm high<br> base blank fits 13x18mm oval cabochons.