Necklace with oval faceted emerald of approx. 6.5 ct,

Necklace with oval-shaped emerald from approx 6.5 ct, measurements approx 15.7 x 12.2 x 6 mm as well as three further emeralds from approx 1 ct, 25 old-european-cut diamonds from approx 2.7 ct, WHITESTW (H-L)/SI-P1, 18K WG, 36.9 gr, length approx 45 cm, 2nd half 20th century, good condition, emeralds partly with fine dents, diamonds with nicks.