We’re Seoidin – a local Irish jewelry brand with a love for timeless design and meaningful connections. If you believe in slow fashion, storytelling, and style with soul, we’d love to collaborate. Let’s share Seoidin with more Irish hearts around the world — together.
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Doubts about your ring size? We’re here to help you find the right fit. Choose a finger for measuring, or your own ring, and let’s get started.
Cut a narrow strip of paper or piece of string and wrap it comfortably around your intended finger
Mark where the ends meet
Match the measurement to the circumference column in the below conversion chart. If it falls between 2 sizes, we advise you to order the larger size.
| Finger | Ring Size | ||
|---|---|---|---|
| Circumference | UK/Ireland | US | EU |
| 45mm | G | 3.75 | 45 |
| 46.5mm | H | 4.25 | 46.5 |
| 47.8mm | I | 4.5 | 47.5 |
| 49.0mm | J | 5 | 48.5 |
| 50.3mm | K | 5.5 | 50 |
| 51.5mm | L | 6 | 55 |
| 52.8mm | M | 6.5 | 52.5 |
| 54.0mm | N | 6.75 | 53.5 |
| 53.7mm | O | 7 | 55 |
| 56.6mm | P | 7.5 | 56 |
| 57.8mm | Q | 8 | 57.5 |
| 59.1mm | R | 8.5 | 59 |
| 60.3mm | S | 9 | 60.25 |
| 61.29mm | T | 9.5 | 62.75 |
| 62.8mm | U | 10 | 63 |
| 63.8mm | V | 10.5 | 64 |
Check out our Printable Ring Size Guide, or contact our customer care team who are on hand to help.