Your turntable can only accept p-mount cartridges, so there isn't a wide choice open to you, unless you want to look at vintage cartridges. If you want a good budget cartridge with elliptical stylus, I believe the AT85EP to be one of the best options.
https://www.audio-technica.com/en-gb/at85ep
However, you should tell us which cartridge is currently fitted to the turntable (perhaps show a photo), as it may already be as good as the above. It is wise to replace the stylus of a used turntable. Depending on your cartridge, you may be able to upgrade simply by buying a more upmarket stylus for it.