The product is a set of 22.95Ct Royal Blue Sapphire loose gemstones, featuring round cushion cut stones with a fine luster. These gemstones are of excellent quality, with an asterism effect and slightly included clarity grade. Sourced from Africa, these natural gemstones are not enhanced and come with certification upon request. With a brand called crystalgems, these gemstones are perfect for jewelry and watch-making projects that require high-quality, natural sapphire stones.