Never more popular, the Amethyst halo rings feature a beautiful gemstone surrounded by sparkling diamonds. As the gem of peace and tranquility, amethyst is mesmerizingly beautiful. A durable and affordable gem, an amethyst ring is excellent for every day wear. Tanzanite is the new birthstone of December and has a unique purple-blue color. A tanzanite ring is one of the newest fashion trends and is a must for any jewelry collection. Black and gold make a beautiful and elegant combination. A black onyx ring is a perfect accessory for any outfit.