Boucheron Paris turquoise, lapis and diamond brooch. A clip brooch composed of a central star formation set with forty two round brilliant cut diamonds in open back grain settings with a combined approximate weight of 4.00 carats, surrounded by a cluster of thirty round and oval cabochon turquoises in open back claw settings with an approximate total weight of 20.00 carats, and ten oval cabochon lapis lazuli in similar settings with an approximate total weight of 15.00 carats, to an asymmetric cluster with intricate pierced backholing, the reverse mounted with a secure hinged double pronged clip pin. Marked 18 carat yellow gold and platinum, signed 'BOUCHERON PARIS', French, circa 1960.
