After patch 9.1 My Diamond borders were changed to what I had in the previous season (platinum). I have the diamond border around my icon in the game lobby, but the loading screen one is the only one that seems bugged.
Match Details: Any match during 9.1
Type of bug: In Game Loading screen
How to recreate: Just join a game.
EDIT: Could also be that it shows the lowest rank
EDIT: Eambo's response to this https://boards.eune.leagueoflegends.com/en/c/bug-reports-eu/0sEWonzJ-border-icon-is-bugged?comment=0003
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