Here's a helpful tip for those of you pouring uv resin on top of polymer clay in bezels. Put a drop of cyanoacrylate glue in the bezel before you press in the clay. It will form an important seal between the metal and the clay. If you don't there's a chance some resin can creep under the clay in a nice dark location far from any pending UV rays. The piece is cured but unbeknownst to you there's a slippery layer of resin in a void under the clay. Eventually the pendant or earrings will be in a vertical position and gravity will draw the liquid resin downward and the uncured resin will seep out from beneath the polymer clay
and cured resin, it presents a sticky situation that you want to avoid!