A Gold, Diamond, Multi Gem and Polychrome Enamel En Tremblant Butterfly Brooch, hinged wings mounted en tremblant accented with polychrome champlev enamel, wing open edgework containing 30 round single cut diamonds weighing approximately 0.45 carat total, the thorax and antennae containing one square step cut emerald, two cabochon cut garnets and two round cabochon cut pink sapphires, the reverse of the openwork base plate detailed with intricate hand engraving in a foliate motif.Stamp: (maker's marks). 26.10 dwts.