I would suggest that you try a polyurethane on a large test piece. Then a water white acrylic test piece. that is the best way to see which you like best. A small swatch wont be enough.
Everyone is different. To me, a water white finish on unstained wood looks lifeless, but that's me. Everyone has their own personal taste.
Anyway, just a thought
Tony B Retired woodworker, among other things.
"Strive for excellence and settle for completion" Tony B