Search craftmarks

This shows how to create a custom pendant using an image of your choosing behind a glass tile. Rather than gluing the tile/cabochon inside a bezel, this finishes the back with Diamond Glaze, then a bail is glued on with E6000.

How to make beautiful glass pendants easily (and more cheaply?) than using bezels or trays. You still use glass cabochons (and whatever decorative paper you want to stick to them), but instead of gluing them to bezel trays, you make the hanging-loop with wire, and the backing with card and epoxy dome stickers. Blog post: https://www.funcraftstodoathome.com/2017/08/25/easy-to-make-glass-pendants-no-bezel-or-tray-needed/ to find out more.

Very short video saying, yes, you can sand glass with diamond-grit sandpaper to get a frosted finish.