Royal-Wedding Jewelry: Kate Middleton Wears the Cartier Halo TiaraPhoto: Vanity FairVANITY FAIR: Kate Middleton chose to wear the Cartier “halo” tiara, which was made in 1936 and purchased by the Duke of York (later King George VI) for his wife, Elizabeth's mother (also Elizabeth). » | Rebecca Sacks | Friday, April 29, 2011