Green Onyx Ring with Topazes. Green Onyx and Topaz Vintage inspired Ring. A striking vintage-inspired statement ring featuring a luminous natural green onyx cabochon set within an ornate concentric bezel. The smooth domed cabochon showcases the rich, saturated green hue of the gemstone, while the sculptural setting evokes the elegance of antique jewelry design. Weight: 3.5 g. depends from size Metal: 925 silver + 14k gold plating over Central stone: onyx Cut: button Weight: 2 ct Color: green Other gemstones: colorless topazes.