A PAIR OF AMETHYST AND DIAMOND PENDENT EARRINGS, BY MARGHERITA BURGENER Each modelled as a petal, pavé-set throughout with circular-cut amethysts with brilliant-cut diamond accents, beneath removable petal-shaped surmounts similarly-set with brilliant-cut diamonds, mounted in titanium and 18K gold, amethysts weighing 3.62cts total, diamonds weighing 1.38cts total, signed Margherita Burgener, with maker's mark, Italian assay marks, with maker's case, length 3.2cm and 1.3cm