This exquisite black opal engagement ring with diamonds is a symbol of your eternal love and commitment. This solitaire engagement ring has a round-shaped black opal gemstone in the center with sparkling diamond side stones in a prong setting. If you are planning to make your engagement special and unique then this ring is just the perfect option for you. This October birthstone ring is more than just a piece of jewelry; its a promise of a lifetime of love and adventure.