Take two headpins for the stem of the stud earring and use two concave halves of a barrel clasp to hold the glitter.
Step 2
Remove the loop from the barrel clasp using pliers. It should come out quite easily and will leave a hole in the barrel where the head pin can be thread through.
Step 3
Coat the head of the headpin with hot glue before quickly pulling it through a barrel half and making sure it is well stuck. This step is pretty important so make sure the headpin is not crooked or wobbly.
Step 4
Lightly and carefully coat the inside of each barrel with gloss varnish or clear nail polish. I used Fimo gloss varnish.
Step 5
Gently sprinkle on some glitter in the color of your choice. Fix up the edges with a needle or a headpin if you need to. Let it dry and then apply another light coat of varnish on top.
Step 6
Finally, cut the stem to about 1cm in length. I then borrowed some earring backings from another pair of earrings...
Step 7
...and Voila! From a distance, the glitter looks like a gemstone. :D