A quality antique Chrysoberyl and diamond brooch, 15ct yellow gold, designed as a fine bar brooch with central oval cluster, the central cluster set with a cabochon chrysoberyl, weighing 1.68ct, displaying a strong cat's eye, light golden green in colour, claw set, framed by ten old cut diamonds, flanked by further old cuts to bar, millgrained to edge, totalling throughout approximately 0.60ct, fitted with pin and safety chain.