Adam's FINE JEWELLERY & WATCHES 13th September 2022

117 178 A PAIR OF SAPPHIRE AND DIAMOND EARRINGS, BY MARGHERITA BURGENER Each titanium plaque pavé-set with circular pink, red and yellow sapphires with brilliant-cut diamonds highlights, mounted in titanium and 18K gold, sapphires 9.16cts total, diamonds 0.96ct total, signed Margherita Burgener,maker’s mark ‘MB’, Italian registry mark,with maker’s case, length 2.4cm € 4,000 - 5,000 179 A DIAMOND SEVEN-STONE RING Composed of seven brilliant-cut diamonds weighing approximately 1.00cts total, mounted in 18K gold, ring size P½ € 1,000 - 1,500 180 A ZIRCON AND DIAMOND DRESS RING The central oval-shaped zircon of orangy-brown tint, between shoulders and belt pavé-set with brilliant-cut diamonds and coloured diamonds, mounted in 18K gold, French assay mark, ring size S € 2,000 - 3,000