Tiffany does trade in the old for the new, but there are rules, from one carat to two carats, on condition that the new one must be twice the original price.
20 19, 165438+ 10. In October, the French luxury goods group Louis Vuitton agreed to acquire the American jeweler Tiffany Company for 162 billion US dollars (about RMB1kloc-0/4 billion yuan). On May 3rd, 2020, Tiffany ranked 1497 on the Forbes Global 2000 list in 2020.