A gem-set, diamond and enamel brooch, E. Serafini, Italian. Photo: Bonhams.

designed as a circular and cabochon ruby fish, with oval sapphire cabochon eyes and orange and yellow enamel fins and tail, further enhanced by circular-cut diamonds and citrine detail; signed E. Serafini, Firenze; estimated total diamond weight: 2.25 carats; mounted in eighteen karat yellow gold; gross weight approximately: 33.5 grams; length: 2 1/2in. (several diamonds and one ruby cabochon deficient). Estimate US$ 8,000 - 12,000 (€5,900 - 8,900)

Bonhams. FINE JEWELLERY. New York. 17 Jun 2014 - http://www.bonhams.com/