DUBAI: British auction house Christie’s Middle East outpost is set to display a 90-carat diamond with a 900-year history in Dubai. For the latest updates, follow us on Instagram @arabnews.lifestyle The Briolette of India necklace will be on display from April 28-30 in Dubai International Financial Center. The necklace will be displayed as part of The World of Heidi Horten showcase, which will present the jewelry collection of the late Austrian art collector Heidi Horten. The glorious assemblage comprises more than 700 jewels. The 90-carat briolette-cut diamond is believed to have been owned by royals Richard the Lionheart and Eleanor of Aquitaine. It was then purchased by US jeweler Harry Winston from an Indian Maharaja in the 1950s.