Necklace with 3 amazonite spheres,

Collier with 3 amazonite beads, D: 8 mm, 15 brilliant and 39 single cut diamonds, totalling ap. 1.0 ct, good colour and clarity, 18K white gold, 27.3 g, L: 40 cm, box clasp and security catch, late 20th century, minimal signs of wear.