If you like taking photos of jewelry that reflects its reflection, you can try this tip... Usually many people use acrylic for the background. Instead of using acrylic, you can try using glossy floor tiles that are quite large and black.
Source : https://www.photigy.com/
Why use ceramic?
Compared to acrylic, ceramic is less easily scratched, and if there is a little dust it is not as visible as with acrylic. Or alternatively, use black glass. The result? Looks elegant and mevvah!