Thank you for viewing. This is a natural stone bracelet combining Tai-chin Rutile Quartz, Super Seven, Black Rutile Quartz, Garden Quartz, Smoky Quartz, Elestial Quartz, and crystal, etc. The center Tai-chin Rutile Quartz is approximately 9mm in size, The side and back side Rutile Quartz are approximately 7mm, The center side and back side Black Super Seven are approximately 7mm, The side cut Smoky Quartz is 7mm, The back side Smoky Quartz is approximately 5.5mm, The side Black Rutile Quartz is approximately 6mm, The side Elestial Quartz is approximately 5.5mm, The back Garden Quartz is approximately 8mm. The inner diameter of the bracelet is approximately 16cm to 16.5cm. *Please note that there may be some errors due to amateur measurements. We try to take photos that are as close to the actual colors as possible. Please understand that the appearance may vary slightly depending on your device. Due to the nature of natural stones, there may be inclusions, cracks, chips, dents, black spots, discoloration, etc., and there may be slight variations in size and weight. Please understand. Please refrain from purchasing if you suspect it is a fake, if you are concerned about minor details, or if you are looking for perfection. To prevent substitution, we cannot accept returns or refunds for reasons such as a different size or a different image after purchase, so please purchase with your understanding. Size adjustment is possible. If you reduce the inner diameter, the remaining beads will be separated into a small bag and packaged with the bracelet. If you want to make it larger, we will adjust it by adding crystal beads. The photos are all that is available at the moment, so please be sure to check them carefully before purchasing. You can purchase without comment. If you have any questions, please ask before purchasing. High quality, transparency