Michael O'Dwyer Aquamarine and Diamond Bezel Set Ring
Centre Cushion Cut Aquamarine 1.20ct
Halo of Round Brilliant Cut Diamond G Colour VS Clarity 0.24ct
18ct White Gold
Ring Size Guide
Hartmanns rings are measured in UK sizes, denoted by a letter. The chart below shows all international sizes and measurements. Our rings can be crafted in any size for the perfect fit.
Slide left and right on the size guide below to see more.
| Inside Diameter | Inside Circumference | Sizes | ||||||
|---|---|---|---|---|---|---|---|---|
| (in) | (mm) | (in) | (mm) | United Kingdom Ireland Australia New Zealand |
United States Canada Mexico |
Italy Spain Netherlands Switzerland |
France | Germany |
| 0.586 | 14.88 | 1.84 | 46.8 | H | 4 | 6.75 | 46 ½ | 15 |
| 0.602 | 15.29 | 1.89 | 48.0 | I | 4 ½ | 8 | 47 ¾ | 15 ¼ |
| 0.618 | 15.7 | 1.94 | 49.3 | J ½ | 5 | 9.25 | 49 | 15 ½ |
| 0.634 | 16.1 | 1.99 | 50.6 | K ½ | 1 ½ | 10.5 | 50 ¼ | 16 |
| 0.65 | 16.51 | 2.04 | 51.9 | L ½ | 6 | 11.75 | 52 ¼ | 16 ½ |
| 0.666 | 16.92 | 2.09 | 53.1 | M ½ | 6 ½ | 13.25 | 54 | 17 |
| 0.682 | 17.32 | 2.14 | 54.4 | N ½ | 7 | 14.5 | 55 ¼ | 17 ¼ |
| 0.698 | 17.73 | 2.19 | 55.7 | O ½ | 7 ½ | 15.75 | 56 ½ | 17 ¾ |
| 0.714 | 18.4 | 2.24 | 57.0 | P ½ | 8 | 17 | 57 ¾ | 18 |
| 0.73 | 18.54 | 2.29 | 58.3 | Q ½ | 8 ½ | 18.25 | 58 ½ | 18 ½ |
| 0.746 | 18.95 | 2.34 | 59.5 | R ½ | 9 | 19.5 | 59 | 19 |
| 0.762 | 19.35 | 2.39 | 60.8 | S ½ | 9 ½ | 20.75 | 60 ¼ | 19 ½ |
| 0.778 | 19.76 | 2.44 | 62.1 | T ½ | 10 | 22 | 61 ½ | 20 |
| 0.794 | 20.17 | 2.49 | 63.4 | U ½ | 10 ½ | 23.25 | 62 ¾ | 20 ¼ |
| 0.81 | 20.57 | 2.54 | 64.6 | V ½ | 11 | 24.75 | 64 | 20 ¾ |
| 0.826 | 20.98 | 2.59 | 65.9 | W ½ | 11 ½ | 26 | 65 ¼ | 21 |
| 0.842 | 21.39 | 2.65 | 67.2 | X ½ | 12 | 27.25 | 67 ½ | 21 ¼ |
Ring Size Guide
Hartmanns rings are measured in UK sizes, denoted by a letter. The chart below shows all international sizes and measurements. Our rings can be crafted in any size for the perfect fit.
Slide left and right on the size guide below to see more.
| Inside Diameter | Inside Circumference | Sizes | ||||||
|---|---|---|---|---|---|---|---|---|
| (in) | (mm) | (in) | (mm) | United Kingdom Ireland Australia New Zealand |
United States Canada Mexico |
Italy Spain Netherlands Switzerland |
France | Germany |
| 0.586 | 14.88 | 1.84 | 46.8 | H | 4 | 6.75 | 46 ½ | 15 |
| 0.602 | 15.29 | 1.89 | 48.0 | I | 4 ½ | 8 | 47 ¾ | 15 ¼ |
| 0.618 | 15.7 | 1.94 | 49.3 | J ½ | 5 | 9.25 | 49 | 15 ½ |
| 0.634 | 16.1 | 1.99 | 50.6 | K ½ | 1 ½ | 10.5 | 50 ¼ | 16 |
| 0.65 | 16.51 | 2.04 | 51.9 | L ½ | 6 | 11.75 | 52 ¼ | 16 ½ |
| 0.666 | 16.92 | 2.09 | 53.1 | M ½ | 6 ½ | 13.25 | 54 | 17 |
| 0.682 | 17.32 | 2.14 | 54.4 | N ½ | 7 | 14.5 | 55 ¼ | 17 ¼ |
| 0.698 | 17.73 | 2.19 | 55.7 | O ½ | 7 ½ | 15.75 | 56 ½ | 17 ¾ |
| 0.714 | 18.4 | 2.24 | 57.0 | P ½ | 8 | 17 | 57 ¾ | 18 |
| 0.73 | 18.54 | 2.29 | 58.3 | Q ½ | 8 ½ | 18.25 | 58 ½ | 18 ½ |
| 0.746 | 18.95 | 2.34 | 59.5 | R ½ | 9 | 19.5 | 59 | 19 |
| 0.762 | 19.35 | 2.39 | 60.8 | S ½ | 9 ½ | 20.75 | 60 ¼ | 19 ½ |
| 0.778 | 19.76 | 2.44 | 62.1 | T ½ | 10 | 22 | 61 ½ | 20 |
| 0.794 | 20.17 | 2.49 | 63.4 | U ½ | 10 ½ | 23.25 | 62 ¾ | 20 ¼ |
| 0.81 | 20.57 | 2.54 | 64.6 | V ½ | 11 | 24.75 | 64 | 20 ¾ |
| 0.826 | 20.98 | 2.59 | 65.9 | W ½ | 11 ½ | 26 | 65 ¼ | 21 |
| 0.842 | 21.39 | 2.65 | 67.2 | X ½ | 12 | 27.25 | 67 ½ | 21 ¼ |