A floral duette brooch set with sapphires and diamonds, comprising two detachable flowerheads,

A floral duette brooch set with sapphires and diamonds, comprising two detachable flowerheads, each centrally set with a cushion-shaped scissors-cut sapphire, compassed with old-cut diamonds set petals, blooming from a stalk bar-set with rectangular french-cut and step-cut diamonds, surrounded by foliate motifs set with single-cut and old-cut diamonds, interspersed round sapphires in between, fitted with double pin-stem, clipped to a white metal mount for brooch conversion, fitted with hinged pin stem and lever safety catch, white metal unmarked, combined width 5.8 cm, total weight of item 19.9 grams. estimated total diamond weight 4.32ct