This product is a lot of 25 carat natural multi-color sapphire loose gemstones, sourced from Sri Lanka. The gemstones are transparent, with excellent luster quality and a cushion shape. They are eye clean and not enhanced, making them suitable for jewelry making. The gemstones have a vintage appeal and come with certification on demand. The brand Crystalgems offers wholesale pricing for these high-quality, fancy cut sapphire gemstones.