This product is a 0.40CT loose diamond with a good round cut and E color grade, VVS1 clarity. It is GIA certified and of natural origin, not enhanced. The diamond has a very good cut grade and is from the United States. It is a high-quality stone from the Popular Diamonds brand, perfect for jewelry and watch making. Its total carat weight is 0.40TCW, making it a valuable gemstone for various creative projects.