Stylish Black Onyx and Amethyst Sterling Silver Necklace featuring a round diamond cut black onyx stone which has smaller round amethyst stones running around the outside - large stamped 925 bail - beautiful designer piece that measures 4cms from top of bail - pendant measures 3cms across - on 18ins 2mm square sterling silver snake chain - weight 15 grams - *click on photos for 'lightbox' feature*