Freshwater Cultured Pearl Necklace 11-12mm Single Strand with a Genuin Black Leather 18" Multicolor The closure has a freshwater cultured pearl. One Loop. The colors of the pearls are: White, Dark Grey, and Black with Green overtone Colors. Length(inch): 18 Aprox, & Weight(g): 26 gr. Hand-Knotted with a soft black leather, unknotted-on-string. Freshwater Cultured Pearls are semibarroque shape, and 11.0-11.5 mm aprox.