An Art Deco Platinum Topped Gold, Jade, Diamond and Polychrome Enamel Brooch, in an openwork design, the framework accented with opaque black and green enamel with raised gold details surmounted at the compass points with millegrain edged platinum accents, the brooch containing a central carved and pierced mottled green jadeite plaque, two round brilliant cut diamonds weighing approximately 0.12 carat total, and six round single cut diamonds weighing approximately 0.15 carat total.Stamp: (Maker's mark depicting an arrowhead) 14K. 7.60 dwts.