IN RING 4mm (SILVER925)
SILVER925
RING WIDTH：4mm
#1-#20 (JCS Japanese Standard)
For other sizes, please contact us at CONTACT.
MIRROR POLISH
Please be careful to avoid dents or deformation of the surfaces and edges due to drops or pressure.
Orders will be shipped within 3 to 14 business days after placement.
※Business days are weekdays, excluding weekends and holidays.
※If the number of orders exceeds our prepared stock, it may take longer than usual to ship due to additional production.
※We may temporarily suspend accepting orders due to event participation or similar circumstances.
NUMBER,CIRCUMFERENCE,DIAMETER
Reference table for ring size, inner circumference, and inner diameter.
|
Japan Japanese Standard |
ID Inner Diameter |
Circ. Inner Circumference |
ISO International Standard |
USA CAN |
UK AUS NER |
|---|---|---|---|---|---|
| -3 | 11 2/3 | 36.6 | |||
| -2 | 12 | 37.7 | |||
| -1 | 12 1/3 | 38.7 | |||
| 0 | 12 2/3 | 39.8 | |||
| 1 | 13 | 40.8 | 41 | 1 | C |
| 2 | 13 1/3 | 41.9 | 42 | 2 | D |
| 3 | 13 2/3 | 42.9 | 43 | 2.5 | E |
| 4 | 14 | 44.0 | 44 | 3 | F |
| 5 | 14 1/3 | 45 | 45 | 3.5 | G |
| 6 | 14 2/3 | 46.1 | 46 | 3.5-4 | G-H |
| 7 | 15 | 47.1 | 47 | 4-4.5 | H-I |
| 8 | 15 1/3 | 48.2 | 48 | 4.5-5 | I-J |
| 9 | 15 2/3 | 49.2 | 49 | 5 | J |
| 10 | 16 | 50.3 | 50 | 5.5 | K |
| 11 | 16 1/3 | 51.3 | 51 | 6 | L |
| 12 | 16 2/3 | 52.4 | 52 | 6.5 | L-M |
| 13 | 17 | 53.4 | 53 | 6.5-7 | M-N |
| 14 | 17 1/3 | 54.5 | 54 | 7-7.5 | N-O |
| 15 | 17 2/3 | 55.5 | 55 | 7.5-8 | O-P |
| 16 | 18 | 56.5 | 56 | 8 | P |
| 17 | 18 1/3 | 57.6 | 57 | 8.5 | Q |
| 18 | 18 2/3 | 58.6 | 58 | 9 | R |
| 19 | 19 | 59.7 | 59 | 9.5 | S |
| 20 | 19 1/3 | 60.7 | 60 | 10 | T |
| 21 | 19 2/3 | 61.7 | 61 | 10-10.5 | T-U |
| 22 | 20 | 62.8 | 62 | 10.5 | U |
| 23 | 20 1/3 | 63.8 | 63 | 11 | V |
| 24 | 20 2/3 | 64.9 | 64 | 11.5 | W |
| 25 | 21 | 65.9 | 65 | 12 | X |
| 26 | 21 1/3 | 66.9 | 66 | Y | |
| 27 | 21 2/3 | 68.0 | 67 | Z | |
| 28 | 22 | 69.0 | 68 | ||
| 29 | 22 1/3 | 70.1 | 69 | ||
| 30 | 22 2/3 | 71.1 | 70 |
(*ID = Inner Diameter, Circ. = Inner Circumference)
Click here for our ring gauge rental service.