Chained necklace-belt in blackened gold with Akoya grey pearls and diamonds

Necklace-belt in blackened 750 gold with 48 Akoya grey pearls 41.66 g d 8.0–8.5, 650 black briolette-cut diamonds weighing 40.33 ct, and 163 black round-cut diamonds weighing 0.72 ct. Total diamond weight in the piece is 41.05 ct.