A traditional gift for an anniversary, these Onyx rings are also appropriate for any occasion at all. Black and gold make a beautiful and elegant combination. A black onyx ring is a perfect accessory for any outfit. One of the oldest gemstones in history, garnet is the birthstone of January. Garnet rings have been popular since Victorian times, and are treasured for their deep red color. 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.