This LOVE necklace is made with a 9mm cultured freshwater pearl, a 5mm cubic zirconia, and sterling silver (925)chain. The entire necklace is gold plated with 18k white gold over the sterling silver so it won't tarnish. This 9mm freshwater pearl has a white brilliant rich overtone color and smooth luster surface., the length for this necklace is 16" plus 2" extension.