Sterling Silver with 14k Gold London Blue Topaz Ring, Polished, Antique finish, Genuine, Sterling silver, Blue topaz, 14K Gold Accent, Fancy undercarriage. Material: Primary: Gold Material: Primary - Color: Two-Tone Material: Primary - Purity: 14K Stone Type_1: London Blue Topaz Stone Creation Method_1: Natural Stone Treatment_1: Irradiation Stone Shape_1: Oval Stone Color_1: Blue Stone Cut_1: Checkerboard Stone Size_1: 12 x 10 mm Stone Quantity_1: 1 Stone Weight_1: 5.3 ct Stone Setting_1: Prong Set.