Lighting becomes much easier when you're copying from a reference. You'll notice that the earring is different in this one. I saw a woman wear something like this before I started rendering the jewelry and thought of applying the same thing in this painting.
You wouldn't want to miss the custom psd file with the alt version on this one. You get to customize the expression and add some juicy elements, among other things ;)
All tier rewards are available for download from the gdrive. If you have any problems accessing them, do let me know.