This Official US Navy ring is crafted of base metal with an antiqued silvertone finish. A blue Austrial sapphire crystal adorns the setting， bearing the United States Navy symbol. . Color: Silvertone Stone: Austrian sapphire crystal Metal: Base metal Finish: Antiqued Metal weight: 0.7 grams Ring setting dimensions: 30 mm wide x 24 mm long x 20 mm high Band dimensions: 6 mm wide  All weights and measurements are approximate and may vary slightly from the listed information.Click here for ring sizing guideThis ring cannot be resized.