| Legering | Platina | Roségoud | Witgoud | Geel goud |
| Goudzuiverheid | Platina (PT950) | 22kt | 18kt | 14kt |
| Sieradencertificaat | HRDAntwerpen | IGI | GIA |
| Lengte oorbel (in.) | .39 | .59 | .78 | .98 | 1.18 | 1.37 | 1.57 | 1,77 | 1,96 | 2.16 | 2.36 | 2.55 | 2,75 | 2,95 | .39 | .59 | .78 | .98 | 1.18 | 1.37 | 1.57 | 1,77 | 1,96 | 2.16 | 2.36 | 2.55 | 2,75 | 2,95 | .39 | .59 | .78 | .98 | 1.18 | 1.37 | 1.57 | 1,77 | 1,96 | 2.16 | 2.36 | 2.55 | 2,75 | 2,95 | .39 | .59 | .78 | .98 | 1.18 | 1.37 | 1.57 | 1,77 | 1,96 | 2.16 | 2.36 | 2.55 | 2,75 | 2,95 |