For instance, less famous influencers with up to 10k followers may set their rates at $25-$50 per post, an established one with 30-80k followers may charge $ 150 or $350 a post, while a celebrity with over 100k followers can charge between $1000 and $500,000 a post. They use other factors when setting these figures.
https://goread.io/blog/instagram-domination-a-hip-hop-guide-to-organic-growth