Make a unique statement wearing this dramatic limited-edition necklace with huge grade AAA mother-of-pearl fans, violet oyster 4-sided shells, and a one of a kind natural Indonesian sterling purple and white nautilus shell with a sterling freshwater pearl clasp. Necklace 18"" One nautilus shell is 2.5 The other is a huge 3.5 " (Limited to two pieces - each naturally formed nautilus shell slightly different in size and shape and tone but all absolutely gorgeous.)