Put the summary of the bug you're having here

The Diamond Shovel has the same appearance as the Diamond Pickaxe. This has been tested on all shovels and only the Diamond Shovel is affected.

What I expected to happen was...:
The item to look like a diamond shovel in my hand.

What actually happened was...:
It looks like the diamond pickaxe in hand.

Steps to Reproduce:
1. Make a diamond shovel.
2. Look at what you appear to be holding.