Metal Material: .925 Sterling Silver Average Weight: 2.95gm Band Width: 2.25 mm Finish: Polished Plating: Rhodium Stone Type: Blue Topaz Stone Creation Method:Natural Stone Treatment:Irradiation Stone Color:Blue Stone Quantity:2 Stone Weight:0.15 ct Stone Setting:Prong Stone Type: Amethyst Stone Creation Method:Natural Stone Treatment:Heating Stone Color:Purple Stone Quantity:2 Stone Weight:0.190 ct Stone Setting:Prong