of lozenge shaped outline, the central oval turquoise held by diamond set foliate claws, to an openwork frame of rubies and outer border of cushion cut diamonds, the white drop pearl hung below with a diamond set cap and cushion diamond highlight in between, mounted in silver and gold, pendant fitting to verso, the brooch fitting and the pearl drop both detachable, accompanied by Gem & Pearl Lab report no. 09857 stating that the pearl is natural and of saltwater originLength 3.8cm / 1½''Weight: 13g
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
Late 19th / early 20th century sapphire and diamond cluster pansy brooch, 1900, centred by a cushion cut diamond of approximately 1.50ct, each petal pave set with cushion cut sapphires,