ltem description from the seller
Material: Primary - Purity:925 Finish:Polished Stone Color_1:Blue Stone Quantity_1:1 Plating:Rhodium Band Width:2.85 mm Stone Weight_1:13 ct Feature:Hollow Manufacturing Process:Casted Material: Primary:Sterling Silver Completeness:Complete (all stones included) Stone Shape_1:Cushion Stone Size_1:15.5 x 13 mm Thickness:< 1 mm Item Weight U/M:gm Width of Item:2.85 mm Product Type:Jewelry Jewelry Type:Rings Sold By Unit:Each Gender:Women's Texture:Textured Texture_3:Textured Profile Type:Open Back Material: Primary - Color:White Ring Type:Fashion Ring Top Length:17.2 mm Ring Top Width:17.2 mm Plating Color:Silver Tone Stone Type (Other)_1:Amazonite