A wonderful art deco style sterling silver ring set with a black onyx oval cabochon framed with handset sparkling marcasite gemstones Onyx Information: Number of Stones: 1 Stone Shap: Oval, Cabochon Stone Size: 5x3mm Carat Weight: 0.30ct Natural/ Created: Natural Mined Stone Marcasite Information: Number of Stones: 8 Stone Shape: Round Stone Size: 2x 1.70mm | 6x 1.30mm Carat Weight: 0.14ct Natural/ Created: Natural Mined Stone