Choker 3 rows of Akoya pearls with diamonds totaling approx. 3.3 ct,

3-row choker of Akoya cultured pearls 7 mm, with parts and clasp with brilliant-cut and princess-cut diamonds, 1.3 ct and 2 ct, totalling ca. 3.3 ct, ca. LGW (I-J)/VS, 18K yellow gold, partly with rhodium plating, L: 37 cm, late 20th century, all in all good condition, but should be threaded new!