Inner diameter: 16-16.5 cm ⚠️ Natural stone 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, so the size has not been adjusted and is in the same condition as when purchased. ⚠️ Please note that there will inevitably be differences between the actual colors and those in the photos, as they were taken by an amateur. Please purchase only if you understand and accept the price. #PowerStone #NaturalStone #Bracelet