Center of a diamond-shaped necklace in gold (750) and silver (800 thousandths), set with a rectangular emerald with stepped cut sides in a beautiful claw-set closed setting, in an openwork foliage setting entirely paved with old-cut diamonds, enhanced by 4 small round pearl blows. It could accommodate 2 ratchet clasp blades on either side, as well as a removable tassel. French work circa 1880 (chips, very slight lack on one blow, one blow missing). Emerald weight: approx. 3.20 cts. Gross weight: 20.6 g. - Dim: 4.6 x 4.4 cm. Jewel accompanied by a GEM Paris certificate n° 20241977968 dated November 2024, attesting for the emerald, origin Colombia, modification by slight oil impregnation not significantly affecting the stone's appearance.