THE brother-and-sister pair that runs Swiss luxury watch and jewellery house Chopard has picked up an office floor at Tong Building in Orchard Road for S$25.5 million. The price works out to S$3,713 per square foot on freehold strata area for the 13th floor of the 19-level building located between Lucky Plaza and The Paragon. While the purchase from fashion retailing group Kwang Sia was made through...