Necklace with 79 brilliant-cut diamonds, central 2.8 ct,

Necklace with 79 brilliant cut diamonds, central 2,8 ct, 2 x total ca. 3,3 ct, 2 x total ca. 1,5 ct and 4 x total ca. 2,23 as well 70 brilliant cut diamonds total ca. 16.8 ct, H-M/VSI-SI. YG 18K, 43.9 g, L: 42 cm, 21st century, mint condition.