Ethiopian Opal cabochon weighing 0.6 carats and measuring 6.9x4.9mm in a petite Sterling size 7 ring, available in other sizes. This natural Opal has internal flashes of blue, green, orange, and pink that move as the light hits the stone. This ring can be stacked with other rings with the same band design and other stones or even another Opal. This ring design is available in Moonstone, Labradorite, and Ethiopian Opal.