Single-strand necklace with 151 pearls, likely fine-grade, in a cascading design; secure clasp in 750-thousandths yellow and white gold, set with three rose-cut diamonds. Early 20th-century piece. Pearl diameter: 1.5 to 5.1 mm Length: 41 cm Gross weight: 5.4 g Necklace certified by the French Gemmological Laboratory as containing 151 fine pearls of seawater origin, round and rounded in shape, with no indication of treatment, slightly cream and pinkish-cream in color, and with very good luster.