This unique art deco style ring is crafted from 925 sterling silver and features a central square mystic green topaz gemstone with glistening marcasite stones either side.Mystic Green Topaz Information: Number of Stones: 1 Stone Shape: Square Stone Size: 5mm x 5mm Carat Weight: 0.74ct Natural/Created: Natural Mystic Green Topaz Country of Origin: Brazil Marcasite Information: Number of Stones: 6 Stone Shape: Round Stone Size: 2 x (1.30mm) | 4 x (1.20mm) Carat Weight: 0.08ct Natural/Created: Natural Marcasite Country of Origin: Austria