These nose pins are 20 ga, the gems are about 1 mm in diameter.
They come in 7 gorgeous colors:

A - sapphire blue
B - clear
C - emerald green
D - pale amethyst
E - ruby red
F - pink
G - aquamarine

Buy all 7 colors of this nose pin and save!

Look for complementing sterling silver ear studs to create a set! Unbelievable price!