Browse our diverse collection of unique Aquamarine rings in your choice of white, yellow, or rose gold. From engagment rings to men's rings, from elaborate works or art, to simple and elegant designs, our 14K gold rings are unmatched in quality, beauty and price. A long time favorite of jewelry designers, aquamarine is the birthstone of March. The diamond-like brilliance of an aquamarine ring is sure to attract attention. Black and gold make a beautiful and elegant combination. A black onyx ring is a perfect accessory for any outfit.