88. MAUBOUSSIN: EMERALD AND DIAMOND RING Ornamented at the centre with a rectangular-cut emerald in a setting of brilliant-cut diamonds, on a yellow gold braided setting, signed Mauboussin, numbered, French hallmark for 18K (750°/00) gold, measurement 53 (shrinkage ring), gross weight 15.15, accompanied by a case signed Mauboussin. Accompanied by a preliminary report from the LFG (Laboratoire Français de Gemmologie) attesting to the Colombian origin and the presence of a minor treatment (oil) to improve clarity for this emerald. Report no.406896 dated 18 January 2024. MAUBOUSSIN: EMERALD AND DIAMOND RING Set to the centre with a rectangular cut-cornered step-cut emerald within a surround of brilliant-cut diamonds, to a braided gold band, signed Mauboussin, numbered, French assay mark for 18 carat gold, ring size M (sizing ring), gross weight 15.15 grams, accompanied by a box stamped Mauboussin. Accompanied by a short report from LFG (Laboratoire Français de Gemmologie) stating that the emerald is of Colombian origin, with indications of minor treatment (oil). Report no.406896, dated 18th of January 2024.