Princess Length Tahitian Black Pearl and Diamond Necklace, Knotted,The single strand having thirty-one graduated pearls measuring from 14.80 to 12.26 mm, the bottom portion of the necklace having six 14 karat white gold roundel spacers set with forty-eight round brilliant cut diamonds weighing approximately.50 carats, joined by a 14 karat white gold bead tongue-and-groove clasp.,Length: 18 in (45.7 cm)