The Overworld, the Nether and the End are the only three dimensions in Minecraft PE. That's all great but imagine a dimension which was entirely made out of diamonds. If that is interesting to you then you have to give this map a try. It's a concept which introduces the Diamond Dimension to Minecraft and what it could look like if it existed.
How to go to the diamond dimension?
The spawn is in an artifical environment which is supposed to look as if it's the Overworld. Your first little mission it to find Professor Oak's lab, read his instructions and enter through the portal.
The portal will teleport you to the diamond dimension. Remember, this is purely just a concept and not a real dimension. It's in fact built in a flat world in the Overworld.
In the diamond dimension you will find lots of diamond blocks and also diamond golems who protect the treasures against monsters. But don't worry, they are friendly toward players.
Important: This map uses a texture pack. It's included in the download. To make sure that it works open the Settings once you have entered the world and make sure that there's a resource pack applied for the world.