A stunning Art Deco style ring crafted from sterling silver set with a large marquise cut black onyx gemstone, surrounded by sparkling marcasite gemstones.It was once thought that onyx eliminated negative thinking, heightened the senses and improved intuition.Lining the geometric shapes of this Art Deco jewellery design is the natural semi-precious gemstone marcasite that is celebrated for its lustre and metallic beauty. Its glisten perfectly compliments the darkness of the gothic black onyx.Black Onyx Information: Number of Stones: 1 Stone Shape: Marquise Stone Size: 29mm x 12mm Carat Weight: 12.5ct Natural/Created: Natural Black Onyx Country of Origin: Brazil Marcasite Information: Number of Stones: 48 Stone Shape: Round Stone Size: 8 x (2mm) | 40 x (1.20mm) Carat Weight: 0.91ct Natural/Created: Natural Marcasite Country of Origin: Austria