The utter simplicity of this exquisite 18K yellow gold classic oval Australian opal and diamond ring will take your breath away! The central opal measures slightly over 13 millimeters long by slightly over 11 millimeters wide and shows no sign of wear at all; although it is vintage it is in absolute pristine condition. It has flashes of blue, green, orange, and gold evenly distributed throughout the gem which is prong set. The high quality mounting has uniqueness in the form of a split shank with 3 open areas. The opal is flanked on each side by a fine brilliant cut diamond of top color and clarity; the total weight of the 2 diamonds is approximate 10/100 of a carat. The opal weighs approximately 3.5 carats.