Finding the perfect fit is just as important as finding the perfect ring. To help you get it right, we’ve included a ring size chart that shows both ring sizes (letters) and the corresponding measurements in millimeters (mm). This is the circumference of the ring.

We highly recommend double-checking your size before placing an order.

A few quick tips:

If you’re between sizes, we suggest sizing up slightly for comfort.

Hands can swell throughout the day - it’s best to measure your size at the end of the day when your fingers are at their largest.

Not sure how to measure? You can use a ring sizer tool, visit a local jeweller, or check our chart for an approximate match using a ring you already own.

Your ring should be snug enough that it won’t fall off, but still able to slide over your knuckle without discomfort.

Thank you for supporting a small brand - your attention to sizing helps us reduce waste and deliver a ring you’ll love from day one.

Love Team McCarthy