Adam's Fine Jewellery & Watches 15th September 2020 at 4pm

115 183 A TOURMALINE, DIAMOND AND TITANIUM RING, BY MARGHERITA BURGENER Designed as a flowerhead, set with a circular-cut green tourmaline cabochon at the centre within a brilliant-cut diamond surround, to textured blue titanium petals, mounted in titanium and 18K gold, signed Margherita Burgener, with maker’s mark, Italian assay mark, with maker’s case, ring size M € 1,800 - 2,200 184 A PAIR OF DIAMOND PENDENT EARRINGS Of chandelier design, each quadruple-tiered chandelier pendant set throughout with brilliant-cut diamonds, mounted in 18K gold, diamonds approximately 5.00cts total, length 6cm € 4,500 - 5,500 185 AN AQUAMARINE AND DIAMOND COCKTAIL RING, BY MARGHERITA BURGENER The oval mixed-cut aquamarine weighing 15.68cts within a brilliant-cut diamond frame to a plain hoop, mounted in 18K gold, signed Margherita Burgener, with maker’s mark, Italian assay mark, with maker’s case, ring size M € 3,800 - 4,800