This product is a lot of 25ct natural light blue sapphire loose gemstones, cushion cut with excellent luster quality. The sapphires are transparent, with a beautiful blue color and come from Sri Lanka. They have an asterism effect and are eye clean in terms of clarity grade. The gemstones are not enhanced and can be certified on demand. As a wholesale item, this lot is perfect for jewelry makers looking to add high-quality gemstones to their creations. Crystalgems is the brand behind this stunning collection of natural sapphires.