How to create great toon materials?

Hi guys. I need to create some trophies for one client but in cartoon style like in the example. What is te best way to achieve such a results ? Im really struggle wit this one. The lighting and the materials are always too realistic for my client. How to create such material and enviroment lightning like in example ??


I think the first example was made in adobe illustrator with gradient mesh but is it possible to get similar results with corona materials ?