In the final bout, the 30-year-old athlete turned out to be stronger than the representative of Hungary Zoltan Levai with a score of 6: 1.
Serb Viktor Nemesh and Alexandrin Gutu from Moldova became bronze medalists.
This gold medal became the third for Vlasov at the world championships.
He is also a two-time Olympic champion and a four-time European champion.
Earlier, Ismailov congratulated Nurmagomedov on the end of his career.