An Edwardian gold aquamarine, diamond and seed pearl brooch

An Edwardian gold aquamarine, diamond and seed pearl brooch, an oval mixed cut aquamarine, milligrain set, to openwork wings either side, with a pair of rose cut diamonds grain set to foliate collets, and a cup set seed pearl, all set in white gold, tested as approximately 18ct gold, and backed in yellow gold, tested as approximately 15ct gold, with 9ct gold pin, 55mm long, 2.82g