Have you thought about any other additional benefits to reporting? Maybe a bigger personal text or something else? I think the more rewards for reporting the better as it is largely a thankless task even though it helps a lot and we really could do with more people reporting things, but when there's little to no reward for it most people wont bother.
Try to create it, however its looks similar to other badge that i found on internet, well i got inspiration from google too and i'm using bitcoin logo. Since this is bitcointalk.
= 300 good report
= 1000 good report
= 5000 good report
Its contain number 300, 1000, 5000 in the image, but its too small. For bigger image https://imgur.com/a/EWFlVvQ.
Probably, theres always people who will abuse report to get that badge and glad mod will make it as bad report, maybe it will be good if you add bad report badge too, so people will not abuse report feature to get that good report badge.
P.S There's always better design than this.
= 300 good report = 1000 good report = 5000 good reportIts contain number 300, 1000, 5000 in the image, but its too small. For bigger image https://imgur.com/a/EWFlVvQ.
Probably, theres always people who will abuse report to get that badge and glad mod will make it as bad report, maybe it will be good if you add bad report badge too, so people will not abuse report feature to get that good report badge.
P.S There's always better design than this.
I like the idea of those ones. Some sort of little badge/shield or medal will work. Maybe just change the numbers to single figures like 1 2 or 3, or maybe just a plain one for 300, then 1k & 5k etc.
Both star will show if a person have (for example) 300 Good Reports (1 star) and 100 Bad reports (1 star).
View Profile and 
Personal Message icons?
), and if you find them online, then they must be copyright-free.
(300 reports)
(1000 reports)
(5000 reports)
