The product is a 4.2mm round loose blue sapphire gemstone with excellent transparency and cut grade. Weights 0.39 carats,2.7mm depth. This transparent gemstone originates from Sri Lanka and has a slightly included clarity grade. Its beautiful blue color and asterism effect make it a desirable choice for jewelry and gemstone enthusiasts looking to add a stunning piece to their collection. The gemstone is in natural form and is not vintage, making it a modern and high-quality addition to any jewelry piece. Corn flower blue,goes well with any color of gold. Affordable gems for highendjewelry.