go through mt.coronet until you come to the exit. it will be snowing outside, so you know you're close to snowpoint. just follow the path and battle the trainers. eventually, you'll get there. snowpoint city's gym leader is candice. she specializes in ice types. make you're way through the puzzle and battle her. when you beat her, she will give you the seventh badge-the icicle badge.
The 8th Badge in Pokemon Diamond is called The Beacon Badge.
First of all, badges get you into the Pokemon league. The coal badge in paticular, lets you use HM rock smash outside of battle.
Strength, which let's you move boulders around
== == well you have to get the canalave gym badge and the hm strength {you can find hm at iron island} u have to get the fen badge {pastoria badge} and Relic badge {hearthome badge} and go to mt coronet make sure its the on in eterna and its pretty straight forward from there plus u need rock smash and oreburgh badge
the gym is in wait next time type in which version becase diamond pearl and platinum are different d/p veilstone city platinum hearthome.
The 8th Badge in Pokemon Diamond is called The Beacon Badge.
the poketch marking map can be obtained by the poketch president after getting the 5th or 7th badge
In Diamond, Pearl and Platinum 7th gym is in Snowpoint Town.
The 7th badge is in mahogany town.
If you're playing Diamond, the Pokemon in Mt. Coronet should be Dialga. You have to get the 7th badge before you are able to get to the top of Mt. Coronet where Dialga is though.
the 7th gym leader is in sunyshore city and he is the user of electric type pokemon all you gotta do is beat him and all the trainers and he will give you the badge just like the others
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In Diamond, Badge 5 can be gotten by defeating Fantina in her Gym in Hearthome City.
Hearthome
The lose of dignaty you had
hearthome city
Hearthome City.