Adam's FINE JEWELLERY & WATCHES 17th May 2022

131 206 AN AQUAMARINE AND DIAMOND COCKTAILRING, BY MARGHERITA BURGENER Set with an oval-shaped aquamarine weighing 11.22cts within a radiating surround of brilliant-cut diamonds within collet and claw-setting, to similarly-cut diamond shoulders within claw-setting, mounted in 18K gold,diamonds 1.21ct total,signed Margherita Burgener,with maker’s mark ‘MB’, Italian assay mark,with maker’s case, ring size M½ € 4,500 - 5,500 207 A PAIR OF DIAMOND AND TITANIUM BANGLES, BY MARGHERITA BURGENER Each grey titanium bangle centrally set with a line of brilliant-cut diamonds, mounted in titanium and 18K gold, diamonds 1.10ct total, signed Margherita Burgener,with maker’s mark ‘MB’,with maker’s case, inner diameter 5.9cm, length approximately 15cm € 3,000 - 4,000 208 A TOURMALINE, DIAMOND AND TITANIUM COCKTAIL RING, BY MARGHERITA BURGENER Designed as a stylised flowerhead, set with a circular-cut green tourmaline weighing 3.38cts, the silver titanium petals high- lighted with brilliant-cut diamond pistils, mounted in 18K gold and titanium, diamonds weighing 0.31ct total, signed Margherita Bur- gener,with maker’s mark ‘MB’, Italian assay marks,with maker’s case, ring size K € 2,800 - 3,200