2mm gem tops this silver 20 ga bar to make a great piece of nose
jewelry. If you would rather have smaller gem, here is one of the
smallest you can find: nose stud with 1.5mm gem! Just make
sure you are able to hold it in your hands!

Colors shown:

A - aquamarine
B - black
C - clear
D - sapphire blue
E - amethyst
F - ruby red
G - peridot green