Solid 18k white gold Solid black opal ring! Wonderful solid NATURAL 7.16mm X 5.08mm Lightning Ridge Australian N3 dark black opal showing 3 out of 5 bright dancing and twinkling green and blue colours with flashes of orange and gold. All set into an elegant 4 pronged solid 18k white gold ring, what a beautiful gift this would be. This gorgeous ring is currently size N , (US size 6.5) but for the lucky new owner, sizing between J and Q (4.75 and 8) will be done free of charge. Of course this beautiful ring comes gift boxed, and what a perfect gift it would be, or perhaps that white gold solid black opal engagement ring.