the large central garnet carved to form a naturalistic shell, surrounded by vari-shaped garnet cabochons within a border of cushion and old cut diamonds, the head, feet and tail set with pearls, the feet and tail with small ruby accents and the head with diamond accents, the body formed of chased and engraved gold to create shell and scale details, all close back set, the approximate diamond weight being 1.50cts
Length: 6.9cm
Width at widest: 4cmWeight: 51.5g
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