How gorgeous is this smoked topaz crystal nose stud? Made from 9ct yellow gold, this 3.5mm nose stud adds a perfect pop of colour to your outfit. With an Andralok fastening, securing it in place is easy and secure. It is available in a whole range of colours so you can mix and match as you please. It has a pin width of 1mm and weighs a tiny 0.12 grams, so you'll barely feel it.