The aggregate rating of Norwegian Gem is build on scorse given by the following portals:
| Aug / 24 | Sep / 24 | Oct / 24 | ||
| cruisetimetables.com | 3.0 / 164 | 3.2 / 164 | 3.2 / 164 | |
| seascanner.com | 8.0 / 38 | 8.0 / 39 | 8.0 / 39 | |
| cruisemapper.com | 4.0 / 1 | 4.0 / 1 | 4.0 / 1 | |
| cruiseline.com | 3.8 / 2470 | 3.8 / 2475 | 3.8 / 2484 | |
| cruisedirect.com | 4.0 / 27 | 3.96 / 27 | 3.96 / 27 |
Norwegian Gem is also ranked in:
PointNemo.com