Gemondo\'s Art Nouveau collection brings you wonderfully curved motifs and nature-inspired designs. This stunning classic art nouveau style ring crafted from 925 sterling silver features an intricately detailed frame set with sparkling marcasite gemstones and finished with a central round opal cabochon, the October birthstone.Marcasite Information: Number of Stones: 16 Stone Shape: Round Stone Size: 1.00-1.40mm Carat Weight: 0.15ct Natural/Created: Natural Mined Stone Country of Origin: Austria Opal Information: Number of Stones: 1 Stone Shape: Round Stone Size: 5.00mm Carat Weight: 0.28ct Natural/Created: Natural Mined Stone Country of Origin: Australia Birthstone: October | Zodiac: Libra | Wedding Anniversaries: 14th