Moonstone, diamond and ruby cabochon brooch by Carlo & Arthur Giuliano, circa 1890. Four large drop shaped moonstone cabochons with an approximate combined weight of 10.00cts, in a quatrefoil setting with six round old cut diamonds to each outer edge in a silver cut down settings with an approximate combined weight of 0.80ct. twenty-four stones in total. Ruby cabochon close set to centre, with an approximate weight of 0.25ct. All in closed back settings in yellow gold, to a yellow gold pin.