This product is a ring made from Itoigawa Yokogawa jade. The base color is from the melted original stone, and the Yokogawa blue color is used as an accent, as seen in the translucent photo. ● Size: Size 18 ● Width: Approximately 4.5mm ● Thickness: Approximately 3.2mm ● Weight: 2.51g ● Condition: Polished finish ● Other: No coloring, crack concealment, or waxing has been done. If you have any questions, please feel free to comment. Jade is by no means inexpensive, so we hope you will be satisfied with your purchase. Thank you.