The aggregate rating of Diamond Princess is build on scorse given by the following portals:
| Aug / 24 | Sep / 24 | Oct / 24 | ||
| cruisetimetables.com | 3.0 / 64 | 3.5 / 73 | 3.5 / 73 | |
| seascanner.com | 7.3 / 12 | 7.4 / 13 | 7.5 / 16 | |
| cruisemapper.com | 4.0 / 1 | 4.0 / 1 | 4.0 / 1 | |
| cruiseline.com | / | 3.9 / 294 | 3.9 / 294 | |
| cleancruising.com.au | 4.1 / 343 | 4.1 / 344 | 4.1 / 361 | |
| cruisedirect.com | 3.9 / 11 | 3.91 / 11 | 3.91 / 11 |
Diamond Princess is also ranked in:
PointNemo.com