This beautiful stackable prong set ring features faceted marquise shape natural Aqua Chalcedony gemstone. Gemstone size is 9 mm x 19 mm / 0.3 x 0.75''. Since I use natural gemstones, the stones may vary slightly in color and shape. Available in: ✦ 18K VERMEIL GOLD. ✦ BRIGHT STERLING SILVER. Please specify your size and choice of metal at checkout.