Is it just me who wishes that Prince William would buy his Duchess some new jewellery? Since the engagement was announced, the Duchess of Cambridge has paraded a seeemingly endless stream of royal heirloom jewellery on her various royal engagements. From Diana’s engagement ring that adorns her finger, to the Queen’s Halo tiara borrowed for the wedding, the Maple  Leaf brooch that was a permanent fixture during the recent Royal Tour of Canada to the Chandelier earrings from the Queen’s collection that popped up in Hollywood, Kate’s jewellery has all had a ring of second-hand Rose about it. Now it seems that William has presented Kate with the matching Sapphire…