(IDEX Online) - LVMH's on-off-on-again deal to buy Tiffany & Co is finally set to be approved by the jewelers' shareholders on Wednesday, 13 months after it was first agreed.The French luxury conglomerate dramatically walked away from the $16.2bn acquisition in September, sparking bitter recriminations and legal threats from both sides.They went on to patch up their differences, with Tiffany accepting a valuation that was $400m below the agreed price, but higher than that reportedly sought by Bernard Arnault, CEO of LVMH Mo?? <