Adam's FINE JEWELLERY & WATCHES 7th December 2021

87 112 A DIAMOND AND TITANIUM PENDANT/BROOCH NECKLACE, BY MARGHERITA BURGENER The pendant/brooch designed as a stylised butterfly with blue titanium wings embellished with single-cut diamonds, the body and eyes set with similarly-cut diamond accents, sus- pending from a removable cable-link chain interspersed with spherical titanium panels and collet-set brilliant-cut diamonds, mounted in titanium and 18K gold, diamonds 1.48ct total, chain length 83.5cm, brooch length 4.6cm, brooch width 6cm € 4,500 - 5,500 113 A PAIR OF SAPPHIRE AND DIAMOND EARRINGS, BY MARGHERITA BURGENER Each spiralled open hoop, pavé-set with circular-cut sapphires with brilliant-cut diamond highlights, the reverse highlighted with a single-cut diamond spiral panel, mounted in titanium and 18K gold, sapphires weighing 10.45cts,diamonds weighing 1.96cts total, signed Margherita Burge- ner,maker’s mark ‘MB’, Italian assay marks,maker’s case, length 2.9cm € 6,000 - 7,000