Possibly cultured pearls, graduated, diameter approx. 2-6 mm, the clasp set with single-cut diamonds approx. 0.06 ct in total, likely mounted in platinum with millegrain, blue cushion-cut stone possibly a sapphire, the settings measure approx. 11.7x4.2x3.3 mm, the length of the necklace approx. 45 cm.
Insignificant wear.