A large stunning cocktail style ring crafted from sterling silver featuring a large oval cabochon cut black onyx gemstone framed with sparkling marcasite. This exquisite ring balances the weight of 7.826g of sterling silver and a large stunning black onyx gemstone to create a unique piece perfect for both day and nighttime events Onyx Information: Number of Stones: 1 Stone Shape: Oval Stone Size: 24x12mm Carat Weight: 19.33 Natural/Created: Natural Onyx Marcasite Information: Number of Stones: 46 Stone Shape: Round Stone Size: 36x (1.20mm) | 10x (1.00mm) Carat Weight: 0.55 Country of Origin: Austria Natural/Created: Natural Marcasite