AeraVida Big Reconstructed Black Onyx Butterfly .925 Sterling Silver Ring Material: Sterling silver | Trademark: Stamped 925 Stone: Reconstructed black onyx | Color: Black | Finish: Shiny | Style: Butterfly lover, Daily Overall Measurements: Butterfly measures 32 mm (1.26 in) wide x 21 mm (0.83 in) long Weight: 6.0 grams (weighted average for ring sizes 6 through 11) Includes an original AERAVIDA jewelry gift box. Perfect for gift giving to someone special or keep for yourself!