This story was updated at 1:00 p.m. ET on Friday, Nov. 14. LONDON – Sales at Cartier parent Richemont grew 10 percent at constant exchange to 10.62 billion euros in the first half despite a raft of challenges ranging from surging gold prices to geopolitical events. More from WWD Sales at the group, home to brands including Van Cleef & Arpels, IWC, Alaïa and Chloé, were up 5 percent at reported exchange in the six months to Sept. 30. The second quarter was a standout, with all regions delivering double-di ...