Ring size
Determine your ring size correctly
The correct ring size is essential for a comfortable and secure fit. A ring should slide comfortably over the knuckle without fitting too loosely or dig uncomfortably into the finger.
On this page, we show you how to determine your ring size as reliably as possible determine and how to identify German or European ring sizes based on the compare the inner diameter.
The most reliable method is professional measurement with a ring sizer at a jeweller. If this is not possible, you can alternatively use an existing well-fitting measure a well-fitting ring.
1. Measure a well-fitting ring
If you already have a ring that fits the desired finger well, lay it flat on an even surface and measure the Inner diameter at the widest point.
Important: Measure only the clear inner space of the ring—not the material thickness. Then compare the measured diameter with our chart.
2. Measure the finger
For the most accurate result, the finger should be at normal measured at room temperature. Very cold fingers may be narrower, while very warm or swollen fingers may be larger.
Therefore, avoid measuring directly after exercising, exposure to intense heat, or prolonged exposure to cold. Ideally, repeat the measurement several times.
If you use a flexible tape measure or a narrow strip of paper, wrap it loosely around the point where the ring is to be worn. The measurement should also take into account that the ring must slide over the finger knuckle must be able to slide over the knuckle. This method is primarily intended as a guide.
3. What does the German or European ring size mean?
The ring size used in Germany and many European countries is based on the ring’s inner circumference in millimetres.
Example: A ring with an inside circumference of approximately 54 mm approximately corresponds to ring size 54.
Ring size chart
Use the inside diameter of a well-fitting ring and choose then select the nearest ring size.
| DE / EU ring size | Inside circumference | Inside diameter |
|---|---|---|
| 40 | 40 mm | 12.7 mm |
| 41 | 41 mm | 13.1 mm |
| 42 | 42 mm | 13.4 mm |
| 43 | 43 mm | 13.7 mm |
| 44 | 44 mm | 14.0 mm |
| 45 | 45 mm | 14.3 mm |
| 46 | 46 mm | 14.6 mm |
| 47 | 47 mm | 15.0 mm |
| 48 | 48 mm | 15.3 mm |
| 49 | 49 mm | 15.6 mm |
| 50 | 50 mm | 15.9 mm |
| 51 | 51 mm | 16.2 mm |
| 52 | 52 mm | 16.6 mm |
| 53 | 53 mm | 16.9 mm |
| 54 | 54 mm | 17.2 mm |
| 55 | 55 mm | 17.5 mm |
| 56 | 56 mm | 17.8 mm |
| 57 | 57 mm | 18.1 mm |
| 58 | 58 mm | 18.5 mm |
| 59 | 59 mm | 18.8 mm |
| 60 | 60 mm | 19.1 mm |
| 61 | 61 mm | 19.4 mm |
| 62 | 62 mm | 19.7 mm |
| 63 | 63 mm | 20.1 mm |
| 64 | 64 mm | 20.4 mm |
| 65 | 65 mm | 20.7 mm |
| 66 | 66 mm | 21.0 mm |
| 67 | 67 mm | 21.3 mm |
| 68 | 68 mm | 21.6 mm |
| 69 | 69 mm | 22.0 mm |
| 70 | 70 mm | 22.3 mm |
The values are for guidance only. Depending on the ring shape, width, and manufacturer, slight variations may occur.
If you are between two ring sizes
If your measurement falls between two sizes, the larger size is often more comfortable. However, the optimal fit also depends on the shape and The ring’s width also affects this.
Wider rings may feel tighter than narrow rings. For special ring designs, we therefore recommend contacting us before ordering if in doubt. to contact us.
Special ring designs
For rings with diamonds all the way around, eternity rings, certain pavé settings or complex designs, resizing later may be limited or technically impractical.
For these models, determining the ring size as accurately as possible before particularly important when placing the order.
Engagement Ring as a surprise?
If you do not want to ask directly for the ring size, use the option of using a ring that the person in question already wears on the same finger wears. Measure its inside diameter and compare it with our table.
Feel free to contact us info@rosylabdiamonds.com. We can help you choose the right ring size.