Natural Blue Iolite faceted earthy blue grey stones. This is a great dainty and feminine necklace. The gems are 3 to 3.5mm in size. The necklace length is 18-19". The chain are clasp are sterling silver or 14k gold fill clasp with 14k gold plate chain - you choose. Wear alone, jumble with other necklaces or add a pendant for a unique look. Shipping is Free!