"Necklace is made of sterling silver 925 and Sapphire, Carnelian, Iolite Dimensions: Stones: approx. 2-3 mm / 0.08\"- 0.12\" length 40-51 cm/16 -20 inches + 5cm / 1.9\" adjustment There's also an option to buy a bracelet to the set (visible on the last photograph). Thank you for visiting! All jewelry designs, pictures and descriptions belong to formood Artur Hornowski and are protected by international copyright"