Inner diameter: slightly less than 18 On sale now It's a cute apple green color. It also looks like a muscat grape (o^^o) It's a beautiful color. Large fluorite, plump and cute! Since it's a large size, it's also wonderful as interior decor! 1. Mental and Healing Effects Stress relief and stability: It is said to have a strong "healing" power that stabilizes emotions and brings a gentle feeling. Organizing thoughts: It is also called the "genius stone" that organizes confused thoughts and enhances concentration and memory. Harmony and flexibility: It avoids friction with the surroundings and supports smooth communication and cooperation. The effects of natural stones have not been scientifically proven. Please consider it as a charm.