Radiant-cut diamonds have a rectangular outline with cut corners. Compare the designs listed below, paying attention to the band, prongs and halo details, or ask a jeweler about creating a custom ring.
Need Help Choosing? Choose your diamond, material and size. Final pricing updates with your selections.
Need something more personal?Meet with a jeweller in Toronto or online.
Choose “Not Sure” to order now. We can send you a free sizing kit to confirm your ring size.
Our options use US sizes. Conversions are approximate; confirm your fit with a sizing kit.
| US / Canada | UK | Europe | Japan |
|---|---|---|---|
| 3 | F ½ | 44 | 4 |
| 3 ¼ | G | 45 | 5 |
| 3 ¾ | H | 46 | 6 |
| 4 | H ½ | 47 | 7 |
| 4 ½ | I ½ | 48 | 8 |
| 4 ¾ | J ½ | 49 | 9 |
| 5 ¼ | K | 50 | 10 |
| 5 ¾ | L | 51 | 11 |
| 6 | L ½ | 52 | 12 |
| 6 ¼ | M ½ | 53 | 13 |
| 6 ¾ | N ½ | 54 | 14 |
| 7 ¼ | O | 55 | 15 |
| 7 ½ | P | 56 | 16 |
| 8 | P ½ | 57 | 17 |
| 8 ¼ | Q ½ | 58 | 18 |
| 8 ¾ | R | 59 | 19 |
| 9 | S | 60 | 20 |
| 9 ½ | S ½ | 61 | 21 |
| 10 | T ½ | 62 | 22 |
| 10 ¼ | U ½ | 63 | 23 |
| 10 ¾ | V | 64 | 24 |
| 11 | W | 65 | 25 |
| 11 ½ | W ½ | 66 | 26 |
| 11 ¾ | X ½ | 67 | 27 |
| 12 ¼ | Z | 68 | 28 |
| 12 ½ | Z ½ | 69 | 29 |
| 13 | — | 70 | 30 |
| 13 ¼ | — | 71 | 31 |
