171. EMERALD AND DIAMOND NECKLACE The detachable pendant centred on a rectangular cut emerald weighing 19.06 carats, set with brilliant-cut and navette-cut diamonds, French hallmark for 18K (750°/00) gold, length of necklace 43.20 cm, dimensions of pendant 4.30 x 3.20 cm, gross weight 51.31 g. Accompanied by an analysis report from Bellerophon attesting to the Colombian origin and the minor presence of oil for this emerald. Report no.A13518 dated 20 September 2024. EMERALD AND DIAMOND NECKLACE The detachable pendant centring on a cut-cornered rectangular step-cut emerald weighing 19.06 carats, set throughout with brilliant- and marquise-cut diamonds, French import marks for 18 carat gold, necklace length 43.20 cm, pendant measurements 4.30 x 3.20 cm, gross weight 51.31 grams. Accompanied by a report from Bellerophon stating that the emerald is of Colombian origin, with indication of minor clarity enhancement (oil). Report no.A13518 dated 20 September 2024.