Inner diameter: 17-17.5 cm Stones: Approximately 13 mm ⚠️ Natural stones There may be chips, scratches, black spots, dents, inclusions, and variations in stone size, which are characteristic of natural stones. ⚠️ This is a collector's item, and the size has not been adjusted; it is in the same condition as when purchased. ⚠️ Please note that there will inevitably be differences between the actual colors and those seen in the photos, as they were taken by an amateur. Please purchase only if you agree with the price and other conditions. #PowerStone #NaturalStone #Bracelet