Black Opal 5.85 carat Australia is a rare gem that you deserve to wear. Black Opal is a natural solid opal that whose origin is from Lightning Ridge, NSW Australia. It is not a doublet or a triplet. Australia is the leading known distributor of this rare solid Black Opal gem. It supplies the best quality of Opal stone and jewelry at a competitive price. Black Opal Solid 5.85cts Australia gemstone is unique since it exists in multi-color variety. Its pear shape further adds to its well sort quality by many people as well as weighing 5.85 carats. Black Opal has a measurement of 18.3x12.1x4.8mm hence perfect in creation of jewelry products.