How to make diamond in Little Alchemy

To make diamond in Little Alchemy you have to combine this elements:

1. coal + pressure
2. coal + time

Diamond Step by Step

How do I combine the necessary elements to create diamond in Little Alchemy?
Here we show you the walkthrough, just follow the steps below:

1 air + air = pressure

2 air + water = rain

3 earth + rain = plant

4 plant + pressure = coal

5 coal + pressure = diamond

Below you can see a video tutorial on how to make diamond in Little Alchemy:

+ gold = ring
+ metal = ring
+ sugar = ring pop