ltem description from the seller
Material: Primary - Purity:925 Finish:Polished Stone Type_1:Swiss Blue Topaz Stone Color_1:Blue Stone Quantity_1:1 Plating:Rhodium Band Width:2 mm Stone Weight_1:7.750 ct Material: Primary:Sterling Silver Completeness:Complete (all stones included) Stone Shape_1:Round Stone Size_1:12 mm Stone Treatment_1:Irradiation Item Weight U/M:gm Width of Item:2 mm Product Type:Jewelry Jewelry Type:Rings Sold By Unit:Each Gender:Women's Material: Primary - Color:White Ring Type:Gemstone Stone Cut_1:Checkerboard Plating Color:Silver Tone Stone Creation Method_1:Natural Birthstone Month_1:(12) December Stone Quality_1:AA