This black opal ring has a dark background color which helps the rainbow variations to shine through. Manmade, this simulated opal is an economical alternative to natural opal, offering a durability that makes it easier to work with in rings and jewelry meant for everyday wear. The multicolored sparkle is hard to resist! This ring has a 6mm simulated black opal sitting in a round bezel cup. Band is 14k goldfill. Available in size 4 -11.