Pay close attention as the medals are draped over the victors of this year’s Olympic games in Paris and you may spot a hexagonal piece of wrought iron at their centre. That is a piece of the Eiffel Tower, kept after a renovation. The medals, designed by Chaumet, part of the luxury giant LVMH, are but one example of how the conglomerate’s maisons will be adding an opulent touch to the games. France’s team will don Berluti garments for…