The major problem with PvP rewards is their sheer vulnerability to abuse (e.g. AFK, doing nothing, partying up and surrendering). There's a good reason that Unranked does not yield rewards, as this would simply lead to people actively AFKing just to extend PvP matches and get their gold. In this case we deem an environment with less abuse and less wasted games to people who are actually serious more important than a substantial gold gain.  However, with the current apparent ease of farming