Large articulated necklace in 18K (750) white gold set with round brilliant-cut diamonds, centered on five rectangular emeralds with cut sides, set with diamond florets, holding a quadrangular motif adorned with an emerald surrounded by diamonds. Length : 38 cm approximately. Gross weight: 97.1 g (shocks, open frosting). An emerald accompanied by a GEM-Paris pre-report (2022) attesting: origin Colombia, resin and moderate oil. An emeralds (Colombia, moderate resin and oil) and diamonds necklace