This product is a 0.18 carat 100% natural marquise-cut diamond with color grade E and clarity grade Slightly Included (SI1), certified by GIA. The diamond is transparent in nature and not enhanced. It is sourced from South Africa and has excellent cut grade. With total carat weight under 0.24 ctw, this vintage loose diamond is ideal for jewelry making and gem use. The diamond measures 5.3mm in length, 2.9mm in width, and 1.8mm in depth.