Amethyst Poison Ring, Round Cabochon, 925 SilverNice Purple Amethyst, a round domed cabochon, bezel set on the top of an ornate Sterling Silver Ring. Releasing the silver catch, then the upper lid with the stone flips up to reveal a secret compartment. The poison ring name comes allegedly from the infamous Catherine Medici who used poison as a political tool in a literally toxic form of debate ! But you can this to store anything of personal value be it a locket of hair, a potion, a pill or a