A pair of titanium, rubellite tourmaline and diamond flower earclips, by Margherita Burgener. Photo Philips de Pury & Co

Each designed as a sculpted petrol-hued titanium flower, centring on an oval mixedcut rubellite tourmaline, within a circular-cut diamond spray surround, length 4 cm, signed ‘MB’ for Margherita Burgener. ESTIMATE £1,400-1,600 - SOLD AT £2,125

Philips de Pury & Co. Jewels. 1 june 2011. London www.phillipsdepury.com