Choker with central brilliant-cut diamond of 1 ct,

Necklace/Choker with central brilliant-cut diamond, ca. 1 ct, ca. TIN (N)/I3 and smaller diamonds, totalling ca. 0.2 ct, medium to good grade of colour and clarity, 18K yellow gold, 61,5 g, L: ca. 48 cm, 2nd half of 20th cent., signs of wear and reworking.