Size Guide

Inside diameter Inside Circumference
MM – Ring size

INCHES

MM

INCHES
15 0.59″ 47,1 1.85″
15,5 0,61″ 48,7 1.92″
16 0.63″ 50,2 1.98″
16,5 0.65″ 51,8 2.04″
17 0.67″ 53,4 2.1″
17,5 0.69″ 55 2.17″
18 0.71″ 56,5 2.22″
18,5 0.73″ 58,1 2.29″
19 0.75″ 59,7 2.35″
19,5 0.77″ 61,2 2.41″
20 0.79″ 62,8 2.47″

How to measure your ring size

Jonna Jinton Sweden uses standard Swedish ring sizes. Refer to our measurement chart found in our size guide.

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