AeraVida Beautitul Heart Knot Marcasite Style Pyrite .925 Sterling Silver Ring Material: Sterling silver | Trademark: Stamped 925 Stone: Pyrite | Finish: Anti-Tarnish | Style: Marcasite, Daily Heart Measurements: 13 mm wide x 10 mm long | Band Measurements: 4 mm Weight: 5.1 grams (weighted average for rings sizes 5 through 10) Includes an original AERAVIDA jewelry gift box. Perfect for gift giving to someone special or keep for yourself!