Amethyst Ring, Domed Cabochon Round, 925 Silver p2Amethyst Ring Oval Cabochon 925 Sterling Silver. Lovely Amethyst Cabochon Ring a perfect purple on the finger, and in strong light you can see the lively veils and inclusions. Superb workmanship from Paul's workshop, using 95% pure silver rather than the standard 92. 5. This gives a brighter appearance and better finish. The band has been smoothed by hand to join the face seamlessly and the bezel has also been curved both ways on the underside to