Browse our diverse collection of unique Onyx 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. Black and gold make a beautiful and elegant combination. A black onyx ring is a perfect accessory for any outfit. Pink tourmaline is a birthstone of October, along with opal, and is a truly special gem. The deep rosy color of a pink tourmaline ring will be sure to attract attention.