Thank you for viewing. ◎ I hope this power stone will encourage you in some way. ◎ If you are interested in this stone, or if this product has caught your eye, I believe it is fate. Lapis Lazuli: Approximately 8mm and 6mm Purified. Inner diameter: Approximately 16cm Uses transparent Ope-lon rubber (4-ply) Lapis Lazuli: September's birthstone. It is said to ward off evil from your own heart. It dispels anger and jealousy, avoids danger, and by wearing it, it corrects wrong ways of thinking in your heart, enhances judgment, and is said to guide you in the right direction when you are lost on your path. It is also said to give trials so that the owner can truly grow, and when you overcome the trials, happiness will come. We look forward to your purchase, and we appreciate your understanding as this is handmade. Also, as natural stones are used, please understand that there may be variations in color and shape, distortions, cracks, and inclusions.