This Ring is available in the following US ring sizes:
US Ring Size - Inside diameter
4 ----- 14.8mm
5 ----- 15.7mm
6 ----- 16.5mm
7 ----- 17.3mm
8 ----- 18.1mm
9 ----- 19.0mm
10 ----- 19.8mm
11 ----- 20.4mm
12 ----- 21.2mm
13 ----- 22.0mm
14 ----- 23.1mm
15 ----- 23.8mm