"Natural Prehnite Signet Ring, 18k Gold Plated Band Ring, 925 Solid Sterling Silver Ring, Green Rectangle Prehnite Ring, Men Ring, Women Ring Gemstone Detail: Gemstone: natural prehnite Shape: rectangle Color: green Metal: 925 Sterling Silver, brass, yellow gold plated NOTE: We use good quality gemstone. Therefore they might vary a little in color, hue and reflection. But i assure you will like it. We use base material 925 solid silver then gold plating or rose gold on the ring. If you will...