A gold and silver, ruby, diamond split pearl bar brooch

A gold and silver, ruby, diamond and split pearl bar brooch, with a split pearl grain set to the centre, to quatrefoil surround of old cut diamonds and circular mixed cut rubies, claw set in gold, with a silver marquise shaped collet at each side, grain set with graduated rose cut diamond, terminated with a cup set pearl, to gold bar, visor catch and pin, tested as approximately 14ct gold and sterling silver, with a metal pin, 34mm long, 2.32g