This AAA-grade Ethiopian opal cabochon (13 cts) showcases an incredible fire and brilliance with vivid flashes of red, purple, yellow, orange, blue, and green. The smoothly polished oval shape and unique natural textures make it a perfect choice for a stunning pendant or a statement ring. This gem is a must-have for anyone looking for a big, high-quality semi-precious opal.
 
Looking for a different stone of the same weight? Check out this 13.5-carat white Ethiopian opal for another gorgeous option.