Inner diameter: approximately 16.3 cm Smoky quartz: approximately 11 mm (early part of the range) Sunstone: approximately 22.8 mm Please note that there may be some slight variations. Smoky Quartz It has a rounded mirror ball cut. Coffee jelly color. Includes inclusions. Shiller can be seen depending on the angle. The sunstone also has a glittery appearance. A powerful, large bead! As these are natural stones, there may be cracks, inclusions, natural dents, black spots, color unevenness, and fine scratches. Natural stone Natural stone bracelet Design bracelet Sphere Sunstone Smoky quartz Power stone