An art-deco diamond brooch, by Cartier. Photo Christie's Image Ltd 2014
The pavé-set diamond openwork shield-shaped panel with baguette and circular-cut diamond detail, 1920s, 5 cm, in red leather fitted Cartier case. Signed Cartier London. Estimate CHF18,000 – CHF28,000 ($20,653 - $32,127)
Christie's. GENEVA MAGNIFICENT JEWELS. 14 May 2014, Geneva - http://www.christies.com/