You don't create diamonds, you mine them.
If you run water over a lava source block you will create obsidian. Mine it with a diamond pickaxe to harvest it.
Diamond is 10th layer and below
Ether a iron pick or an diamond.
The item ID for a diamond pick in Minecraft is 278. I have linked you below in the related links of a full list of all the ID's in Minecraft.
There are no diamond picks in Minecraft PE.
The diamond minecart is commonly referred to as a "Minecart with Diamond" in Minecraft. It is not a standard item in the game, but players often use the term to describe a minecart that may be associated with diamonds due to its purpose in transporting players or items. In Minecraft, players can create minecarts for various uses, such as moving through tracks or transporting resources.
There is a Minecraft song called 'In Search of Diamonds'.
To get diamond, you need a pickaxe of iron, gold or diamond.
You can make a diamond sword in Minecraft by placing two diamonds above a stick in the crafting table.
Diamond Armor, Diamond Tools, other stuff like Jukeboxes. The rarest material of all.. diamonds. You find some, you should be happy Diamond is the highest tier in UNMODDED minecraft. See DIAMOND.
The diamond axe's ID number is 279.
It depends on the seed you are using... there is not a specific amount diamonds in Minecraft.