Using a renderer takes practice and good models and materials, no question about it. This is one of the reasons why I’m wondering if your quest for a physically-accurate renderer is not going to yield the result you seek - how will you know when the rendered image is accurate? Even a perfect rendering algorithm would need high-fidelity paint specifications, polyurethane coatings specifications, lamp and lampshade specifications, etc. to reproduce the real result.
Here is a fairly recent post which contains some renderings that I think look terrific. But I don’t know how accurate they are.