Highcarat Diamonds
Measure with a String
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Step #1
Take a piece of a string/tape and wrap it around your intended finger.
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Step #2
Hold the string in place and mark the meeting point for both ends.
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Step #3
Measure the marked length i.e inside circumference with a ruler and refer the chart below to find your ring size.
International Ring Size Chart
| Diameter (mm) |
Circumference (mm) |
United States & Canada |
Australia, UK & Ireland |
Europe | Spain & Italy | Japan |
|---|---|---|---|---|---|---|
| 14.1 | 44.3 | 3 | F | 44 | 4 | 4 |
| 14.5 | 45.6 | 3.5 | G | 45 | 5.5 | 6 |
| 14.9 | 46.8 | 4 | H | 47 | 7 | 7 |
| 15.3 | 48.1 | 4.5 | I | 48 | 9 | 8 |
| 15.7 | 49.3 | 5 | J 1/2 | 50 | 10 | 9 |
| 16.1 | 50.6 | 5.5 | K 1/2 | 52 | 12 | 10 |
| 16.5 | 51.9 | 6 | L 1/2 | 53 | 13 | 11 |
| 16.7 | 52.5 | — | — | — | — | 12 |
| 16.9 | 53.1 | 6.5 | M 1/2 | 54 | 14 | 13 |
| 17.3 | 54.4 | 7 | N 1/2 | 55 | 15 | 14 |
| 17.7 | 55.6 | 7.5 | O 1/2 | 56 | 16.5 | 15 |
| 18.1 | 56.9 | 8 | P 1/2 | 57 | 18 | 16 |
| 18.5 | 58.1 | 8.5 | Q 1/2 | 58 | 19 | 17 |
| 18.8 | 59.1 | — | — | — | — | 18 |
| 19.0 | 59.7 | 9 | R 1/2 | 59 | 20 | — |
| 19.4 | 61.0 | 9.5 | S 1/2 | 60 | 21.5 | 19 |
| 19.8 | 62.2 | 10 | T 1/2 | 61 | 22 | 20 |
| 20.0 | 62.9 | — | — | — | — | 21 |
| 20.2 | 63.5 | 10.5 | U 1/2 | 62 | 23.5 | 22 |
| 20.6 | 64.7 | 11 | V 1/2 | 63 | 25 | 23 |
| 21.0 | 66.0 | 11.5 | W 1/2 | 64 | 26 | 24 |
| 21.4 | 67.2 | 12 | X 1/2 | 66 | 27.5 | — |
| 21.5 | 67.6 | — | — | — | — | 25 |
| 21.6 | 67.9 | — | — | 68 | — | — |
| 21.8 | 68.5 | 12.5 | Z | — | 28 | — |
| 21.9 | 68.8 | — | — | 69 | — | 26 |
| 22.1 | 69.5 | — | — | — | 29 | — |
| 22.3 | 70.1 | 13 | — | 70 | 30 | 27 |
| 22.5 | 70.7 | — | Z 1/2 | — | — | — |
| 22.6 | 71.0 | 13.5 | — | — | — | — |
| 22.7 | 71.3 | — | — | 71 | 31 | 28 |
| 22.9 | 72.0 | — | Z+2 | 72 | 32 | — |
| 23.2 | 72.9 | 14 | Z+3 | — | — | — |
| 23.4 | 73.5 | — | Z+4 | — | — | — |
