Proofread the following text and correct the three subject-verb disagreements.

allegedly recovered from the legendary king solomon’s mines, the uncut, rough stone was acquired in 1544 by the scandalous de luca family. gifted as part of a dowry in 1612, the fate of the diamond, along with several other high profile gems, were unknown after the franco-spanish war of 1635, before it mysteriously reappeared over three centuries later. sold last year to the moretti brothers jewellers for just over £22 million, neither time nor conflict have dimmed its brilliance. indeed, the twin eighty-year-old brothers suggests that the value of the now cut and polished 90 carat diamond has already increased by at least 50%. it will be on display for four weeks only.