Princess Anne and Zara Tindall's engagement rings are compared by diamond expert
For the British Royal Family, which is reportedly worth an extravagant $28billion (£21.1billion), money is no object. When it comes to engagement rings, they boast some of the most beautiful in the world. Express.co.uk spoke exclusively to diamond expert Maxwell Stone about Princess Anne and Zara Tindall’s engagement rings. As the only daughter of Queen Elizabeth II,