A coral, diamond and black enamel ladybug brooch, by Cartier. Estimate $12,000 - $18,000. Price Realized $25,000 . Photo Christie's Image Ltd 2015

Designed as a ladybug, the coral wings decorated with collet-set diamonds, to the black enamel head, antennae and legs, circa 1940, approximately 1 1/2 ins., with French assay mark for 18k gold. Signed Cartier, no. 8749, with maker's mark

Christie's. IMPORTANT JEWELS, 20 October 2015, New York, Rockefeller Plaza