Material： 925 sterling silver Gemstone : Freshwater pearl Measurement： 15'' +3cm About the quality of the pearl - Read before buy: The pearls have different shapes and sizes. They exhibit varied grain patterns and natural structures.Each pearl is unique, with its own non-round shape and textured surface.Those pearl are not defect and we don't accept return or exchange for the quality of the pearl. We choose the best quality pearls within affordable price for all the customers.