What should I look for in a lab-grown diamond ring under $3000?
Focus on the diamond certificate, cut, clarity, ring metal, and setting quality. A $3000 budget can usually offer many good lab-grown diamond ring options, especially for solitaire, halo, pavé, or three-stone styles.

This page has examples of rings in that price range:
https://www.antiquecut.com/col....lections/lab-grown-d