50. EMERALD AND DIAMOND RING Octagonal shape, set in the centre with a rectangular-cut emerald in a surround of baguette-cut and brilliant-cut diamonds, French hallmark for 18K (750°/00) gold, partially effaced hallmark of the master, measurement 52, gross weight 10.31 g. Accompanied by an analysis report from GEM PARIS (Laboratoire Gemmologique de Paris) attesting to the Colombian origin and the minor presence of oil for this emerald. Report no.20191974502-2 dated 14 April 2019. EMERALD AND DIAMOND RING Of octagonal design, set to the centre with a cut-cornered rectangular step-cut emerald, within a surround of baguette- and brilliant-cut diamonds, French assay mark for 18 carat gold, maker's mark partially illegible, ring size L½, gross weight 10.31 grams. Accompanied by a report from GEM PARIS (Laboratoire Gemmologique de Paris) stating that the emerald is of Colombian origin, with indications of minor oil treatment. Report no.20191974502-2 dated 14th April 2019.