Bicolor Fluorite Bead size: 12mm, Inner diameter: 17cm This item has been displayed on a collection shelf, so it's in good condition. However, as it is a natural stone, please refrain from purchasing if you are overly concerned about imperfections. I am an individual seller, so I would appreciate your understanding. Thank you if you are interested! I am also selling other natural stones from my collection! I hope you will take a look.