36" Cultured Freshwater Pearl Endless Strand (8-1/2mm) Add a long, luxurious layer. Classic cultured freshwater pearls (8-1/2mm) always add an element of sophistication and Belle de Mer's endless strand is certainly no exception. Cultured freshwater pearl: 8-1/2mm Approx. length: 36" Does not have a clasp; necklaces are knotted