open set to a close set border of fourteen small cushion cut diamonds, cut-down collet set in silver and gold, fluted trifurcated shoulders and fluted shankCluster 1.7 x 1.5cm / 11/16 x 5/8''
Diamond approximately 10.6 x 8.8 x 6.7mmWeight: 5.5g
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