RBP6985. Saltwater Memories. Lab created White Chalcedony and Diamond cubic zirconia with silver plating. Only worn one time. Necklace lengths: 18” to 22” + 2.5” extender. On a magnetic clasp that holds all three necklaces. They layer beautifully. You can also remove them from the clasp to wear separately or add different pieces to layer as well. MSRP $190.