This top-quality Ethiopian Black Opal Cabochon is a unique and stunning gemstone that will add elegance to any jewelry collection. With a marquise shape measuring 17mm in length and 8mm in width, it weighs 1.90 carats and has excellent cut grade. The gemstone color is black, and it has an opalescence effect that gives it a fascinating and alluring look. This gemstone is 100% natural, and its transparency is opaque. It has eye-clean clarity grade and is not enhanced, making it a perfect vintage piece. The gemstone was created naturally and is polished to perfection. It comes with a certification of authenticity, and its country of origin is Ethiopia.