Size Guides

Let’s make sure your new piece fits perfectly.

Option 1: Measure a Ring You Already Own

  1. View our video to measure your ring at home.
  2. Use that size when placing your order!

Option 2: Measure Using a Ruler

No printer? No problem. Just grab some string and a ruler.

  1. Measure the inside diameter of a well-fitting ring in millimeters.
  2. Use the conversion chart below to find your US ring size.
Diameter (mm) US Ring Size
14.0 mm 3
14.8 mm 4
15.6 mm 5
16.5 mm 6
17.3 mm 7
18.2 mm 8
19.0 mm 9
19.8 mm 10

 

Option 3: Request a Free Ring Sizer

Want the most accurate option? We’ll send you one—on us.

Request Your Free Ring Sizer

Helpful Sizing Tips

  • Measure at the end of the day when fingers are warm.
  • If you're between sizes, size up for comfort.
  • Wider bands fit more snugly—consider going up half a size.
  • Cold fingers shrink—don’t measure when cold.

Need Help?

Contact us anytime at support@sonorantidejewelry.com or schedule a virtual consultation.