Necklace in white gold (750) featuring a square chenille chain holding a pampille of openwork geometrical motifs paved with diamonds in bead-set or pearl-set settings, a line of onyx cabochons in rail-set setting, holding an attractive three-lobed motif in carved onyx, centered with a larger old-cut diamond in pearl-set setting. Spring ring clasp. Circa 1920-25. AN goldsmith's hallmark on the jug. Gross weight: 6.2 g. - Length : 45.5 cm. Minor scratches and chips from use.