- Select a ring that fits the intended finger comfortably.
- Place it on a ruler and measure the inside diameter in millimeters.
- Compare the measurement with the chart below to determine the correct size.
Need Help Finding Your Ring Size?
- Wrap a strip of paper or non-stretchable string around the base of the intended finger.
- Mark where the paper or string overlaps to form a complete circle.
- Measure the length of the paper or string to find the circumference in millimeters.
- Use the chart below to find the corresponding ring size.
- SAMA is happy to send you a complimentary ring sizer to easily measure your ring size at home.
- Ring sizers will only be shipped within the US only within 5-7 business days.
- Each customer is limited to one complimentary Ring Sizer.
Ring Size Chart
| Diameter (mm) | Circumference (mm) | US, Canada, and Mexico |
|---|---|---|
| 14.1 | 44.3 | 3 |
| 14.5 | 45.6 | 3.5 |
| 14.9 | 46.8 | 4 |
| 15.3 | 48.1 | 4.5 |
| 15.7 | 49.3 | 5 |
| 16.1 | 50.6 | 5.5 |
| 16.5 | 51.8 | 6 |
| 16.9 | 53.1 | 6.5 |
| 17.3 | 54.3 | 7 |
| 17.7 | 55.6 | 7.5 |
| 18.1 | 56.9 | 8 |
| 18.5 | 58.1 | 8.5 |
| 19.0 | 59.7 | 9 |
| 19.4 | 60.9 | 9.5 |
| 19.8 | 62.2 | 10 |
| 20.2 | 63.5 | 10.5 |
| 20.6 | 64.7 | 11 |
| 21.0 | 66.0 | 11.5 |
| 21.4 | 67.2 | 12 |
| 21.8 | 68.5 | 12.5 |
| 22.2 | 69.7 | 13 |
Measuring Tips
- Measure at the right time: Fingers can expand in heat and shrink in cold. Measure in the evening when fingers are at their largest.
- Avoid measuring after exercise or consuming salty foods, as this can temporarily change finger size.
- Consider knuckle size: If you have larger knuckles, size up slightly so the ring can slide over them comfortably.
- Ensure the ring sizer or paper/string is snug but not too tight.
- Measure multiple times to ensure consistency.
- If in doubt or for the most accurate measurement, request a complimentary Ring Sizer.
Complimentary 1-Year Ring Resize Policy
We know how important the perfect fit is — that’s why every SAMA ring comes with one complimentary resizing within 1 year of delivery.
What’s Included:
One free resizing within 1 year of delivery:
- Resize range: Up or down up to 1 full ring size
- Shipping: Complimentary return label (U.S. orders only)
- Turnaround time: Please allow 10–14 business days from the time we receive your ring
After 1-Year:
We offer resizing for a flat fee:
- 14k / 18k gold: $100
- Platinum: $125
- Shipping is not included outside the 1-year window.
Styles That Cannot Be Resized:
Due to their design, some rings are not eligible for resizing. These include:
- Eternity bands
- Tension-set rings
- Custom designs or engraved bands
For these, please contact our team to discuss your options.
Our care team is here for you. Email us at customercare@rocksama.com with your resizing request, and we’ll guide you through next steps.