The gauge may be different
Gauge refers to the width of your piercing. The standard size for a nose ring is 20 gauge, which is . … If you end up trying to put a 14-gauge earring into a 20-gauge nose piercing, you could tear your piercing.
Beside this, does it matter what size nose ring you get?
The nose piercing is one of the fastest and most adaptable piercings, and will adapt to whichever size gauge you put in it. If you have an 18G piercing you can wear 20G nose studs, nose screws or nose rings as well and your piercing will adapt very quickly. If you want to go back to an 18G, it will adapt.
Secondly, which is bigger 18 or 20 gauge nose ring?
The thickest Gauge is 18 Gauge. This would be your choice if you have recently had your nose pierced or wear that gauge normally. 20 Gauge is thinner than 18G and is the standard most popular size.