AN ANTIQUE PINK TOPAZ, ENAMEL, DIAMOND &amp; GOLD PARURE.   Comprising: a comb tiara set with a fringe of oval pink topazes to the openwork gold, blue enamel &amp; diamond decoration; a necklace/choker with removeable links supporting a detachable plaque brooch &amp; topaz pendant; a pair of earrings with detachable pendants; &amp; a brooch with pendant hoop, all of neo-classical &amp; foliate design, mounted in silver &amp; gold, circa 1840. [brooch and earrings blown up for detail]