Adam's FINE JEWELLERY & WATCHES 13th September 2022

139 229 A GEM-SET AND DIAMOND RING, BY CARTIER, 1980 Of bombé design, the frontispiece set with calibré-cut rubies, sapphires and emeralds alter- nated between rows of brilliant-cut diamonds, mounted in 18K gold, diamonds approximately 1.60ct total,signed Cartier,with maker’s mark for‘Cartier Société Anonyme’,French assay mark,with UK retail mark ‘JC’ (Jacques Cartier),UK hallmarks for London 1980, numbered, ring size L € 3,000 - 4,000 230 A YELLOW SAPPHIRE AND DIAMOND DRESS RING The rectangular cut-cornered yellow sapphire weighing 13.50cts, within a four-claw setting between brilliant-cut diamonds and similarly-cut diamond gallery, mounted in 18K gold, with maker’s mark, French assay mark, ring size L½ € 18,000 - 22,000 Accompanied by a report from Carat Gem Laboratory in France stating that the sapphire weighing 13.50cts is of Sri Lankan origin, with no indications of heating. Report number CGL16054, dated February 2018