RAVISHING "BIRD" BROOCH In yellow gold and silver, centred on a rose-cut diamond, the wings embellished with half-pearls and the rest of the body set with small old-cut diamonds. Circa 1880. An old and rose cut diamond, half cut pearl, 18k gold and silver "bird" brooch. Circa 1880. RC : Dimensions: 5.2 x 2.5 cm. Gross weight: 6.8 g (18k - 750 and Agt - 925).