Size Guide

Find your perfect fit utilizing our international size conversion chart, if you do not currently know your ring size we highly reccomend sourcing a ring sizing kit.

All Rivacchi rings are created according to Australian sizing specifications.

Italy, UK & Australia

(Rivacchi Size)

Inside Circumfrence




N - 53.78 17.12
O - 55.07 17.53
P - 56.32 17.93
Q - 57.61 18.34
R - 58.90 18.75

(Note: If your ring size falls somewhere in between our sizes then by default we reccomend the larger size.)