This exquisite black opal from Ethiopia is a one-of-a-kind gemstone that boasts an excellent cut grade, making it a perfect addition to your gemstone collection. With a weight of 6.80 carats and an oval shape measuring 12x17mm, this natural opal has a beautiful opalescence effect that will leave you mesmerized. The gemstone is eye-clean and has been polished to perfection, revealing its opaque texture. This vintage piece has a smoked treatment and comes with a certification of 100% authenticity. Add this unique gemstone to your loose gemstones or loose diamonds & gemstones collection or use it to create a stunning piece of jewelry.