The Slovenian recorded a world best of 68.76 meters in the same arena on Saturday, but in better wind conditions a day later, he threw the discus a whopping 72.26 meters.
The throw was just 10 centimeters from his own national record and the fourth time in his career the 27-year-old threw over 72 meters. Ceh also passed the 72-meter mark in his second attempt with 72.06 meters.
Ceh won the event by more than eight meters, ahead of Great Britain's Nick Percy, who threw 63.84 meters.
Daniel Ståhl holds the Swedish record in discus with 71.86 meters set in Bottnaryd in 2019.
