Two 19th century diamond and gem-set brooches

Two 19th century diamond and gem-set brooches
The first of flowerhead design, the circular-cut sapphire centre within an old-cut diamond petal surround, later converted, 2.7cm wide; the second designed as an old-cut diamond and ruby bow suspending a pear-shaped ruby and old-cut diamond cluster drop, later converted, 2.6cm long, cased