A 1,001-sqft 4-room (Type S1) flat at the 46-48th floor of Blk 1D of Pinnacle@Duxton has just been sold for $1.37 million ($1,368 psf) in October 2022. The sale has made it the most expensive 4-room HDB resale flat in Singapore (the 6th most expensive HDB resale flat overall) and the 2nd-highest price ever paid for a flat at Pinnacle@Duxton....