An Edwardian pearl, enamel and diamond brooch/pendant

An Edwardian pearl, enamel and diamond brooch/pendant
The blue guilloché enamel heart with white enamel border, seed pearl outer detail and central applied half-pearl and rose-cut diamond twin heart motif, to a blue enamel and rose-cut diamond lozenge shaped pendant loop, please note that the pearls have not been tested for natural origin, enamel chipped