Inner circumference: Approximately 15.5cm. Slight variations may occur. * If you wish to change the size (up to 17cm free of charge), please let me know after purchase. Gold Rutilated Quartz: 8.5mm Crystal Quartz: 6mm 64-facet cut Crystal Quartz: 4mm Ice Larimar: 8mm Amethyst: 4mm Peridot: 4mm Double-strand Operon elastic cord * The knots in the elastic cord are not secured with adhesive. If a knot comes loose, gently pull it back in from the opposite side of the stone. The stones may have small scratches, inclusions, color variations, imperfections, and natural cracks. This is handmade by an amateur, so please refrain from purchasing if you are looking for perfection. 92