Vibrant crystal opal from the Olympic Opal Field in Coober Pedy in a contemporary ring design, set in 18Kt yellow gold. Trapez shape 6.5 x 9mm large colour pattern with green, orange, blue and a little red. Beside the opal sits an oval shape sapphire 5 x 6.5mm. 0.9carats, total weight 7.77 gram. Size 0