The double-stranded necklace composed of sixty-five graduated black and white cultured pearls, completed by an 18 karat white gold brilliant-cut diamond-set clasp, length approximately 455mm; and pair of matching earrings, each composed of a white and black cultured pearl, the diamonds altogether weighing approximately 2.05 carats, mounted in 18 karat white gold. (2) Pearls on necklace measuring approximately 15.27 x 15.06 to 12.13 x 11.88mm; on earrings approximately 14.00 to 11.00mm.