Kate was worn the 167 Button pendant necklace on a number of occasions.
The Duchess has a matching set, the 167 set. The earrings cost £4.8k and the 167 button pendant necklace costs £3,000.
Kate even used Asprey to create a very special necklace, which was an ode to her coat of arms.
The necklace featured the acorn charm, £2.9k, the oak leaf charm, £2,000, and the mushroom charm, £5,000.