Kate Middleton in her £30,000 Cartier diamond earrings

Kate Middleton was gorgeous in her blue pencil cut dress. Completed her look was Cartier earrings which valued £30,000. The 18-carat earrings was also spotted on Cameron Diaz at the Oscars 2010. The Duchess’s earrings are made up of white, yellow and rose gold hoops studded with diamonds. Kate Middleton was also wearing her blue sapphire diamond ring.