Necklace in platinum (950 thousandths) and...

Necklace in platinum (950 thousandths) and white gold (750 thousandths), the décolleté formed by a pendant adorned with a pear-shaped and old-cut diamond in a surround of small old-cut and eight-eight diamonds, the whole held by a line of 5 diamonds in closed setting old-cut, fine neck chain, and safety chain. French work circa 1910.
Gross weight: 5.1 g. Length: 42 cm