If you’re using a detolf I suggest some clear display stands from amazon to maximize the space and heights between the shelves. You can get some really nice ones for $10-20.
Something like this.
https://www.amazon.com/Acrylic-Display-Risers-Showcase-Jewelry/dp/B011JOVQHG/ref=mp_s_a_1_16?keywords=display+stands&qid=1555656745&s=gateway&sr=8-16