A diamond 'Saint Esprit' pin, 18th century

A diamond 'Saint Esprit' pin, 18th century, composite, designed as a bird swooping downwards, set with rose-cut diamonds and suspending a diamond pendant in its beak, to a surmount of ribbon bow design set with rose-cut diamonds, mounted as a pin, length 5.5cm and a pair of seed pearl and diamond earrings, each designed as a bow suspending an articulated line of leaves, set with seed pearls and circular-cut diamonds, mounted in silver, length 5.4cm each, stamped 925, pearls untested