What is highest-valued hand in poker?

The Royal flush. It consists of ten, jack, queen, king, and Ace, in where all cards are the same suit. In the extremely unlikely chance of two players both have a royal flush there is a hierarchy in the suits. Diamonds are the lowest, next are clubs, then hearts and finally the highest is spades. Therefore, The absolute highest hand you can have in Poker is a royal flush where all your cards are spades.