A diamond set pendant brooch consisting of an eight petalled domed flower cluster head, measuring approx. 31.00cm diameter, pinch set with nine rose cut diamonds measuring from 2.50mm x 2.80mm to 4.60mm x 3.50mm, with black champleve enamel decoration to the petals and inside of central setting.  Suspending a removable drop, pinch set with two rose cut diamonds - one measuring 2.100mm x 2.00mm, one measuring 3.30mm x 2.90mm, additional grain set with three native rose cut diamonds, measuring 1.20mm to 1.40mm diameter, brooch has removable pin and hinged hook fastener.  Stamped with Austro Hungarian control marks, tests as approx. 18ct gold.  Circa 1866-1872.  Gross item weight 13.87gms.