Art Deco Carnelian Ring Signed Germany Sterling. This sensational carved Carnelian and Marcasite ring is signed Germany on one side and Sterling on the other. The geometric shaped Carnelian stone is deep orange and opaque. The sparkling marcasites add to the overall aesthetic value. This ring could be worn on any finger. It could be sized up or down by two sizes by your local jeweler. It is currently a US Ladies Size 7 and in excellent condition.