This product is a natural GIA certified loose diamond in heart shape, measuring 4.5 x 5.2 mm with a K/VS clarity grade. The diamond is cut to excellence and is transparent in nature. It is not enhanced and has a total carat weight of 0.25-0.49 ct. The diamond is from South Africa and certified by GIA, making it a high-quality and reliable option for jewelry and watch enthusiasts looking to add a unique and beautiful piece to their collection.