Ice Crown?
You’ll have to wait until it is released, should it ever be released. That’s the thing about data-mined items. One is never really sure.
Good luck.
Unless you mean this…
https://wiki.guildwars2.com/wiki/Icelord's_Diadem
Edit…
Nevermind I remember now. Yes was data mined. No way to know yet, but likely gem store release during next week or so.
(edited by Kong.3280)