The measurements of all our rings are based on US ring sizing's. We try our best to make are rings as accurately sized as possible, but every ring may vary slightly.
How to Measure:
Step 1. Use a piece of string and wrap it from the start around your finger not too tightly
Step 2. Measure that that length and refer to the size chart
Step 3. Refer to the size chart to determine your appropriate size. We recommend going up if the indicated size isn't included