Delicate and dainty, this sparkly peridot necklace will make the perfect gift or bridal necklace. Custom designed to rest in a graceful "v" shape just below the ladie's clavical. Comes with an approx one inch extender to accommodate any size neck. Refer to the photos for specifics. Peridot, also known as "chrysolite" and "olivine" is a September birthstone. Genuine peridot beads are 2.5mm faceted rondelles.