the clusters of pentagonal outline and set with cushion, oval and circular cut sapphires, diamond accents in between, upon a pave set round brilliant cut diamond ground, mounted in 18ct white gold with yellow gold claws to the sapphires, stamped 750 and FDiameter 2.6cm / 1 1/16''Weight: 30.5g
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