190 - CHAUMET: SAPPHIRE AND DIAMOND RING

CHAUMET: SAPPHIRE AND DIAMOND RING The octagonal emerald-cut sapphire is set within a frame of emerald-cut diamonds, signed Chaumet Paris; the sapphire weighs approximately 13.70 carats; bears the French platinum hallmark and the master’s hallmark of Léon Weith; ring size 56.5; gross weight 12.5 g, accompanied by a case from the house. Accompanied by an analysis report from the SSEF (Swiss Gemmological Institute) certifying the sapphire’s Sri Lankan (Ceylon) origin, with no indication of heat treatment. Report No. 154048 dated April 23, 2026. Accompanied by an analysis report from the IGI (International Gemological Institute) certifying that the sapphire is natural, with no indication of treatment. Report No. 60613 dated March 3, 2026. From a prominent Italian family. CHAUMET PARIS: SAPPHIRE AND DIAMOND RING The octagonal step-cut sapphire set within a step-cut surround, signed Chaumet Paris; the sapphire weighs approximately 13.70 carats; bears the French platinum assay mark and the maker’s mark of Léon Weith; ring size P½; gross weight 12.5 grams; accompanied by a maker’s case. Accompanied by a report from SSEF stating that the sapphire is of Sri Lankan (Ceylon) origin, with no indications of heating. Report No. 154048, dated April 23, 2026. Accompanied by a report from IGI stating that the sapphire is natural with no indications of treatment. Report No. 60613, dated March 3, 2026. Property of a prominent Italian family. For further information on this lot, please visit Bonhams.com