Beautiful; has just been professionally polished and cleaned. Looks great! Medium size: 22 mm. In one of the pictures you can see it in comparison with mini (11 mm), small (15 mm), large (27 mm), and extra large (36 mm) ones. This listing is for the medium heart only. On a fine 16” Peretti chain. Comes with the packaging pictured. Details: Metal Type: Sterling Silver Marks: 925, Tiffany's Designer Signature (Elsa Peretti) Metal Finish: High Polish Clasp Style: Spring Ring Includes: Tiffany packaging Always authentic.