February's birthstone is the amethyst, and this gem has long been prized by royalty for its vibrant natural purple color. The design of our amethyst diamond birthstone rings sets these gems into precious platinum, resulting in one of the most elegant amethyst rings one could find. In legend, amethyst diamond eternity bands are thought to promote wisdom and has protective qualities. An amethyst ring in the setting of your choice is a beautiful way to personalize this memento of your special day.