Yes you can. Just get an diamond ore and place it in you crafting box and diamond will be made. Then craft your pickaxe.
an iron pickaxe will do.
In pocket edition you'll need iron, gold or a diamond pickaxe.
Re you sure you are using an iron pickaxe? Diamond cant be mined without an iron or diamond pickaxe Otherwise, it could be bug
You need an iron pickaxe or diamond pickaxe.
In singleplayer minecraft, you may get pickaxes from crafting them, trading with villagers or using hacks and/or mods
Use a diamond pickaxe
Only with a diamond pickaxe.
If you dont have a diamond/gold pickaxe you may still get diamond/gold by using iron pickaxe
No, the pickaxe needs to be at least iron to mine the diamond.
It takes exactly 1562 uses to use up a Diamond Pickaxe.
you mine stone with a pickaxe