Balance passage and security
A comfortable fit must pass the knuckle without becoming too loose at the finger base.
Record both areas, notice spinning or pressure, and keep the planned band width and setting weight beside the sizing notes.
Fit, wear & care—considered together
A clearer decision, with the important context kept beside it
A ring can need enough room to pass the knuckle and still need help sitting comfortably at the finger base. Measure and describe both moments.
Use this page when
- The ring catches at the joint but spins after it passes.
- The knuckle and resting area give noticeably different measurements.
Pause this route when
- The finger is injured, painful, numb, discolored, or the ring is stuck.
- You are about to average two numbers and call the result final.
Where this choice often matters
- Designing an engagement ring that should stay upright.
- Reviewing an heirloom or top-heavy ring for everyday wear.
Compare the details
Passage and resting fit are two separate checks
A professional can review interior features or sizing options only after seeing the exact ring and measurements.
| Check | Record | Good sign | Pause when |
|---|---|---|---|
| Knuckle path | Largest comfortable passage | Moves with gentle resistance | Force is needed |
| Finger base | Resting circumference | Sits without pinching | Deep pressure or gaps |
| Rotation | How often the top turns | Occasional natural movement | Constant spinning |
| Removal | Ordinary removal motion | Comes off without pain | Stuck or circulation concern |
Ring-size reference chart
Compare named sizes with inside measurements
Keep your original system and maker’s chart. This table is a comparison aid, not a universal fit promise.
| US & Canada | UK, Europe & Australia | Asia | Inside diameter | Inside circumference |
|---|---|---|---|---|
| 3 | F | 4 | 14.1 mm | 44.3 mm |
| 3.5 | G | — | 14.5 mm | 45.6 mm |
| 4 | H | 7 | 14.9 mm | 46.8 mm |
| 4.5 | I | 8 | 15.3 mm | 48.1 mm |
| 5 | J | 9 | 15.7 mm | 49.3 mm |
| 5.5 | K | 10 | 16.1 mm | 50.6 mm |
| 6 | L | 11 | 16.5 mm | 51.8 mm |
| 6.5 | M | 13 | 16.9 mm | 53.1 mm |
| 7 | N | 14 | 17.3 mm | 54.3 mm |
| 7.5 | O | 15 | 17.7 mm | 55.6 mm |
| 8 | P | 16 | 18.1 mm | 56.9 mm |
| 8.5 | Q | 17 | 18.5 mm | 58.1 mm |
| 9 | R | 18 | 19.0 mm | 59.7 mm |
| 9.5 | S | 19 | 19.4 mm | 60.9 mm |
| 10 | T | 20 | 19.8 mm | 62.2 mm |
| 10.5 | U | 22 | 20.2 mm | 63.5 mm |
| 11 | V | 23 | 20.6 mm | 64.7 mm |
| 11.5 | W | 24 | 21.0 mm | 66.0 mm |
| 12 | X | 25 | 21.4 mm | 67.2 mm |
| 12.5 | Y | 26 | 21.8 mm | 68.5 mm |
| 13 | Z.5 | 27 | 22.2 mm | 69.7 mm |
| 13.5 | Z1 | — | 22.6 mm | 71.0 mm |
Reviewed 2026-08-25. Source reference: GIA ring-size guide. This table follows GIA’s US and Canada, UK/Europe/Australia, and Asia columns; blank cells are not listed by GIA. Leyloon uses the nearest physical row without interpolation and keeps your original measurement beside it.
Keep your direction organised
The complete choice groups for this decision
These groups support this page’s promise: A ring can need enough room to pass the knuckle and still need help sitting comfortably at the finger base. Measure and describe both moments. Use them to compare what belongs together; make and keep your editable choices in the working path that follows.
What happens now?
Keep every direction that fits.
- Catches at knuckleGentle passage is difficult.
- Spins at the baseThe top turns after passage.
- Tilts to one sideBalance may matter.
- Changes through the dayKeep a range rather than one moment.
What should stay open for review?
Keep every direction that fits.
- Two nearby sizesCompare passage and resting fit.
- Interior supportDiscuss only with the exact ring.
- Lower profileConsider balance and daily wear.
- Band widthMore contact changes feel.
Questions worth asking
Open the concern that sounds like yours
Each answer stays within this page’s promise—A ring can need enough room to pass the knuckle and still need help sitting comfortably at the finger base. Measure and describe both moments.—without making the next step feel heavier than it needs to be.
Should I split the difference?
Not automatically. The ring has to pass one area and rest on another, so show both values and the exact design.
Can sizing beads help?
They are one possible jeweler-reviewed direction, not a universal answer for every ring or finger.
What if the center stone makes it spin?
Record the top weight and profile so Leyloon can review balance with the fit.
Ready when you are
Carry this direction into your design
Leyloon can keep these choices together while you continue. Every detail stays editable. For this page, that means: A ring can need enough room to pass the knuckle and still need help sitting comfortably at the finger base. Measure and describe both moments.
- Knuckle and finger-base measurementsNeeded before the direction is complete
- Top height and balance concernA useful next question
- Width and interior directionKeep it open if you are still deciding
- Passage, rotation, tilt, and ordinary variationKeep it open if you are still deciding
A visual map of this brief
See what stays known—and what remains open
This route begins with “A wider knuckle needs both passage and resting fit.” The next choices stay grouped, editable, and connected to that same Atelier brief.
- Ring you are sizingChoose the ring context so the measurement stays attached to the right width, profile, and finger.
- What could change the fit?Choose the closest context. You can add the exact measurements privately in Atelier.
- What measurement do you have?Keep the method with the number. The working tool above can help compare it without replacing the maker's final fit check.
- Band width or stackChoose the planned contact width. Exact millimeters stay editable.
Start with what matters on this page
Keep the measurement with the ring it belongs to
Choose how you measured and the ring context. The number stays private, and Atelier carries the method, width, and fit notes together.Published customer proof
Real experiences, kept separate from promises
Only approved purchase-linked reviews appear here. An illustrative scene is never presented as a customer, and one person’s experience is never treated as a promise for another piece.See what Leyloon customers have shared
Read recent shop reviews on Etsy, then come back when you are ready to shape your own fit and jewelry direction.
These reviews reflect individual Leyloon service experiences. Your fit and jewelry direction and quote request are reviewed on their own.