An Art Deco Pearl, Ruby, Emerald and Diamond Tassel Brooch, by Cartier. Photo Christie's Image Ltd 2014

The old-cut diamond-set bar surmount with single button-shaped pearl terminals, central emerald and ruby highlights, suspending an inverted baroque shaped pearl spacer and pearl tassel drop, with emerald bead finials, ruby and rose-cut diamond-set cap, 1920s, 11.8 cm, with French assay marks for platinum and gold. Signed Cartier Paris, no. 5802 (partially indistinct) - Estimate CHF38,000 – CHF55,000 ($43,226 - $62,564)

Please note that the pearls have not been tested for natural origin

Provenance: Sotheby's St Moritz, 18-19 February 1994, lot 445.

Christie's. GENEVA MAGNIFICENT JEWELS. 14 May 2014. Geneva - www.christies.com