The No.17 has started the Reds' last four matches in all competitions, with the standout display being his Man of the Match outing in the Champions League victory at FC Porto.
Van Dijk stressed the 20-year-old's challenge now is to be consistent with that level of performance – but feels he has the technical ability and frame of mind to make that happen.
Asked how impressed he has been with Jones' development, the centre-half told Liverpoolfc.com: "A lot.
"Unfortunately, Harvey got injured like everyone knows, of course, and was doing so well.
"It was difficult probably for Curtis to see that a little bit because obviously he wanted to play, but saw Harvey doing so well.