This is a ring made of K10 (10 karat) gold. It has a simple design with a blue stone, making it an elegant and easy-to-wear ring. The inside of the ring is hallmarked K10. The details of the stone material are unknown as it has not been authenticated. There is no noticeable damage, and it is in a condition suitable for everyday use. ⸻ Size Approximately size 15 (Japan size) *Please note that there may be slight variations. ⸻ Condition Slightly scratched or stained (please check the photos) ⸻ Notes ・Please purchase only if you understand that this is a used item and has been stored at home. ・We cannot answer specialized questions regarding the details of the materials or stones.