Size: L size wrist circumference approx. 7.1 - 7.5 inches (18 - 19 cm), logo engraved crystal 0.5 inches (12 mm), black agate 0.4 inches (10.8 mm), cut glass 0.3 inches (8 mm), Rondell 0.3 inches (8 mm), *Due to the nature of the natural stone, there may be slight scratches or chips.