This product is a lot of three 5x4mm octagon faceted Australian green sapphire gemstones. The gemstones are transparent and have a very good cut grade, with an asterism effect. They are natural, unheated/untreated, and not enhanced. The gemstones are of vintage origin and are sourced from Australia. They are slightly included in clarity grade and are sold in wholesale quantity. Perfect for jewelry and watch making, these green sapphire gemstones are a unique and beautiful addition to any collection.