The six-year-old who is trained by Roger Varian strode clear with rider Andrea Atzeni to become only the second favourite to win the race since its inception in 1843.
Fujaira Prince's triumph comes after it won at Royal Ascot in the Copper Horse Handicap in June.
Verdana Blue finished in third followed by Monica Sheriff, Euchen Glen and Ranch Hand.
Fujaira Prince won by half a length in the end after taking the initiative in the final furlong to win in comfortable style.
Third-placed Verdana Blue was a length behind when the winner crossed the finish, in what is regarded as one of the horse racing calendar's most notoriously difficult flat handicaps.
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