of rectangular outline with arrowed ends, carved crystal fans to a pierced diamond set ground and with calibre ruby line accentsLength 6.7cm / 2 5/8''Weight: 7.5g
19th century large golden topaz and diamond cluster brooch, c.1850, the oval facetted topaz of approximately 34ct, secured by a diamond collet set gold mounted openwork foliate scroll border, all raised within a diamond cut down collet frame, the diamonds all of cushion, old brilliant, double-eight and rose cut, larger diamonds to the outer frame, mounted in silver and gold, total diamond weight approximately 5.10cts