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GR-B300-1AER CASIO G-SHOCK
GR-B300-1AER CASIO G-SHOCK
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Casio G-Shock Gravitymaster GR-B300-1AER watch with Tough Solar power, Bluetooth connectivity, shock resistance and 200 m water resistance.
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Ring Size Guide
Ring Size Guide
Choosing the correct ring size is essential for a comfortable fit. At Diamonds n Diamonds, we want you to feel confident when selecting your perfect ring.
European Ring Size Chart
European ring sizes are based on the circumference of the finger in millimetres.
| EU Size | Inner Diameter | Finger Circumference |
|---|---|---|
| 48 | 15.3 mm | 48 mm |
| 49 | 15.6 mm | 49 mm |
| 50 | 15.9 mm | 50 mm |
| 51 | 16.2 mm | 51 mm |
| 52 | 16.6 mm | 52 mm |
| 53 | 16.9 mm | 53 mm |
| 54 | 17.2 mm | 54 mm |
| 55 | 17.5 mm | 55 mm |
| 56 | 17.8 mm | 56 mm |
| 57 | 18.1 mm | 57 mm |
| 58 | 18.5 mm | 58 mm |
| 59 | 18.8 mm | 59 mm |
| 60 | 19.1 mm | 60 mm |
| 61 | 19.4 mm | 61 mm |
| 62 | 19.7 mm | 62 mm |
| 63 | 20.1 mm | 63 mm |
| 64 | 20.4 mm | 64 mm |
How to Measure Your Ring Size
Method 1 – Measure your finger
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Wrap a narrow strip of paper or a piece of string around the base of your finger.
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Mark where the ends meet.
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Measure the length in millimetres.
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Compare the measurement with the finger circumference column in the chart above.
Method 2 – Measure a ring you already own
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Choose a ring that fits comfortably on the intended finger.
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Measure its inner diameter in millimetres, from one inside edge to the opposite inside edge.
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Compare the measurement with the inner diameter column.
Helpful Tips
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Measure your finger at the end of the day, when fingers are usually slightly larger.
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Avoid measuring when your hands are very cold or very hot.
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Measure more than once to help ensure accuracy.
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If your measurement falls between two sizes, we generally recommend choosing the larger size.
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Wider rings may require a slightly larger size for a comfortable fit.
Need help finding your size?
If you are unsure which size to choose, please contact Diamonds n Diamonds. Our team will be happy to assist you.
Please note: This guide is intended as a general reference. Ring sizing can vary slightly depending on the ring design, width and individual finger shape.
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Certified DIAMONDS
All of our diamonds are certified.
