Two solid Yowah opal set rings, both 9ct yellow gold, one of larger size, featuring a central oval cabochon piece of polished solid Yowah opal, deep red ironstone punctuated by seams of solid crystal opal of bright blue and green spectral colour, measuring approximately 20 x 13 mm, bezel set in an open backed mount, along with a smaller 9ct signet style featuring a rectangular low cabochon piece of lighter boulder opal, bright crystal opal running through the ironstone and agate bezel set in an open backed mount, merging to a plain band.