Fine necklace with two threads of faceted sapphires 100% natural. The stones are all natural , not trated , not colored. Stones with different shades of color, to testify that the stones are not treated. Clasp silver 925 rhodium plated with white faceted zirconia. Length of the shorter thread , including clasp : 47 cm Length of the longest thread, including clasp : 49 cm Diameter max. sapphires (central stones) : 4.5 mm Diameter min. sapphires : 2 mm Necklace made in Italy.