One of a Kind Ring by acclaimed jewelry maker Devta Doolan showcasing a spectacular cushion shaped Australian Lightning Ridge crystal opal, electrified by a bold green flash and full spectrum rainbow color-play. The gem opal is bezel-set in the artist's signature-finished 22k yellow gold, and rests atop a finely textured, tapered band with high-polish interior. Stamped 22k - with Devta's signature hallmark. Size 7.75 (can be sized).