Peridot Colour - August Birthstone. 925 Sterling Silver Nose Stud with 2.5mm round Crystal. Colour: Light Green (Peridot), August Birthstone. bend the shaft of the Nose Stud to suit your size. Shaft : This nose stud has a 9mm long straight shaft, 22GA(0.65mm), which you can very easily bend yourself to fit comfortably.
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