Size Guide
For a perfect fit, measure the ring’s diameter in millimeters and compare it with the Italian size shown in the table below.
If you already have a ring that fits you well, use a ruler to measure its inner diameter from the left edge to the right edge without including the metal thickness, then compare the measurement with the table provided here.
Remember that not all fingers are the same, so make sure you take the measurement on the exact finger where you plan to wear the ring.
For an accurate result, use a ring sizer or consult a jeweler directly.
| Italian | French | US | Internal Diameter |
|---|---|---|---|
| 4 | 44 | 3 | 14.00 – 14.10 mm |
| 5 | 45 | 3½ | 14.20 – 14.40 mm |
| 6 | 46 | 3¾ | 14.50 – 14.70 mm |
| 7 | 47 | 4 | 14.80 – 15.10 mm |
| 8 | 48 | 4½ | 15.20 – 15.40 mm |
| 9 | 49 | 4¾ | 15.50 – 15.70 mm |
| 10 | 50 | 5¼ | 15.80 – 16.00 mm |
| 11 | 51 | 5½ | 16.10 – 16.30 mm |
| 12 | 52 | 6 | 16.40 – 16.60 mm |
| 13 | 53 | 6½ | 16.70 – 17.00 mm |
| 14 | 54 | 7 | 17.10 – 17.30 mm |
| 15 | 55 | 7¼ | 17.40 – 17.60 mm |
| 16 | 56 | 7½ | 17.70 – 17.90 mm |
| 17 | 57 | 8 | 18.00 – 18.20 mm |
| 18 | 58 | 8½ | 18.30 – 18.60 mm |
| 19 | 59 | 8¾ | 18.70 – 18.90 mm |
| 20 | 60 | 9 | 19.00 – 19.20 mm |
| 21 | 61 | 9½ | 19.30 – 19.50 mm |
| 22 | 62 | 10 | 19.60 – 19.80 mm |
| 23 | 63 | 10¼ | 19.90 – 20.10 mm |
| 24 | 64 | 10¾ | 20.20 – 20.50 mm |
| 25 | 65 | 11 | 20.60 – 20.80 mm |
| 26 | 66 | 11½ | 20.90 – 21.10 mm |
| 27 | 67 | 12 | 21.20 – 21.50 mm |
| 28 | 68 | 12½ | 21.60 – 21.80 mm |
| 29 | 69 | 13 | 21.90 – 22.10 mm |
| 30 | 70 | 13½ | 22.20 – 22.40 mm |
| 31 | 71 | 14 | 22.50 – 22.70 mm |