Most freshwater pearls are nucleated by tissue, but Edison cultured pearls are nucleated with beads, exactly as saltwater pearls This necklace contains Edison Pearls which were chosen for their bright luster that can be compared with that of high-end saltwater pearls, and for their natural white and pink colour shades. The pearls measure 6x11mm in diameter. The changing colours add interest to this simple and elegant design. At a length of 90cm the necklace can be worn long or double in order to achieve the desired effect. Packaging: Necklace Jewellery box and an Authenticity Certificate to guarantee the source and quality. Insured track and trace delivery.