Necklace with trapezoidal pendant, inlaid with onyx,

Collier with trapezoidal shaped pendant, onyx inlay, 31 single cut diamonds, pavée in line, totalling 0.31 ct (marked), 14K white gold, 29.2 g, L: 46 cm, pendant L x W: 59 x 22 mm, hook buckle, late 20th century, minimal signs of wear, handcrafted.