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International Ring Sizing Chart | |||
Circumference | Australia/NZ/UK | USA/Canada | Europe |
51.87mm or 2.04″ | M | 6 | 50 |
54.51mm or 2.15″ | O | 7 | 52 |
57.15mm or 2.25″ | Q | 8 | 54 |
59.34mm or 2.35″ | R 3/4 | 9 | 56 |
62.33mm or 2.45″ | T 1/2 | 10 | 58 |