Gemondos art deco collection brings you wonderfully embellished great gatsby esque designs inspired by the roaring 1920s this stunning bold art deco style necklace crafted from 925 sterling silver features a large black onyx cabochon drop offset with sparkling marcasite gemstonesthis necklace comes on a matching 45cm 18inch sterling silver chain which fastens with a sprung ring clasponyx informationnumber of stones 1stone shape pear cabochonstone size 235x14mmcarat weight 700ctnatu