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Free Shipping & Returns | Secure Checkout
The Three Stone Diamond Ring celebrates a timeless trilogy design, with three round diamonds arranged in a beautifully graduated composition. A prominent centre stone is flanked by two smaller diamonds, creating a balanced spread of brilliance across the finger. Unlike the trellis version, this design focuses on a clean, classic three-stone setting, giving this lab-grown diamond three stone ring a refined and enduring character. Traditionally representing the past, present and future, it is particularly suited to engagements and milestone occasions.
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UK ring sizes (letters) with measurements in millimetres.
How to measure:| UK Size | Diameter (mm) | Circumference (mm) |
|---|---|---|
| A | 12.0 | 37.8 |
| A½ | 12.2 | 38.5 |
| B | 12.4 | 39.1 |
| B½ | 12.6 | 39.7 |
| C | 12.9 | 40.4 |
| C½ | 13.1 | 41.0 |
| D | 13.3 | 41.7 |
| D½ | 13.5 | 42.3 |
| E | 13.7 | 42.9 |
| E½ | 13.9 | 43.6 |
| F | 14.1 | 44.2 |
| F½ | 14.3 | 44.8 |
| G | 14.5 | 45.5 |
| G½ | 14.7 | 46.1 |
| H | 14.9 | 46.8 |
| H½ | 15.1 | 47.4 |
| I | 15.3 | 48.0 |
| I½ | 15.5 | 48.7 |
| J | 15.6 | 49.3 |
| J½ | 15.9 | 49.9 |
| K | 16.1 | 50.6 |
| K½ | 16.3 | 51.2 |
| L | 16.5 | 51.9 |
| L½ | 16.7 | 52.5 |
| M | 16.9 | 53.1 |
| M½ | 17.1 | 53.8 |
| N | 17.3 | 54.4 |
| N½ | 17.5 | 55.0 |
| O | 17.7 | 55.7 |
| O½ | 17.9 | 56.3 |
| P | 18.1 | 57.0 |
| P½ | 18.3 | 57.6 |
| Q | 18.5 | 58.3 |
| Q½ | 18.7 | 58.9 |
| R | 19.0 | 59.5 |
| R½ | 19.2 | 60.2 |
| S | 19.4 | 60.8 |
| S½ | 19.6 | 61.4 |
| T | 19.7 | 62.1 |
| T½ | 20.0 | 62.7 |
| U | 20.2 | 63.4 |
| U½ | 20.4 | 64.0 |
| V | 20.6 | 64.6 |
| V½ | 20.8 | 65.3 |
| W | 21.0 | 65.9 |
| W½ | 21.2 | 66.5 |
| X | 21.3 | 67.2 |
| X½ | 21.6 | 67.8 |
| Y | 21.8 | 68.5 |
| Y½ | 22.0 | 69.1 |
| Z | 22.2 | 69.7 |
Measurements are approximate and can vary slightly with band width and style. For the most accurate fit we recommend visiting a jeweller. Still unsure? Contact us.
