| Width | Ladies | Gents | |||
| 18ct gold | Platinum | 18ct gold | Platinum | ||
| 2.5 | 685 | 830 | 765 | 935 | |
| 3 | 765 | 935 | 860 | 1065 | |
| 3.5 | 845 | 1045 | 960 | 1195 | |
| 4 | 925 | 1155 | 1055 | 1325 | |
| 4.5 | 1005 | 1260 | 1150 | 1455 | |
| 5 | 1085 | 1370 | 1245 | 1585 | |
| 5.5 | 1165 | 1480 | 1345 | 1715 | |
| 6 | 1245 | 1585 | 1440 | 1845 | |
| 6.5 | 1325 | 1695 | 1535 | 1975 | |
| 7 | 1410 | 1805 | 1630 | 2105 | |
| 7.5 | 1490 | 1915 | 1725 | 2235 | |
| 8 | 1570 | 2020 | 1825 | 2365 | |
| 8.5 | 1650 | 2130 | 1920 | 2495 | |
| 9 | 1730 | 2240 | 2015 | 2630 | |
| 9.5 | 1810 | 2345 | 2110 | 2760 | |
| 10 | 1890 | 2455 | 2210 | 2890 |
