37953, WEST HOLLYWODD, CALIFORNIA – Monday February 22 2010. Hilary Duff and Mike Comrie show off her $1 million diamond engagement ring on a trip to Katsuya. According to reports, the 29-year-old sports star splashed out the mammoth amount of cash for the 14 karat princess-cut rock in Las Vegas. He proposed to the 22-year-old actress during a weekend vacation in Hawaii. Photograph: © Hellmuth Dominguez, PacificCoastNews.com**FEE MUST BE AGREED PRIOR TO USAGE** **E-TABLET/IPAD & MOBILE PHONE APP PUBLISHING REQUIRES ADDITIONAL FEES** UK OFFICE:+44 131 557 7760/7761 US OFFICE:1 310 261 9676