The base of this tutorial come from this link.
Open a new scene and add your object. Select the render from Blender Render to Cycles Render from top of the Blender 3D software.
Create a new material click on Use Nodes button from Material tab.
The next step is to chose screen layout to Compositing.
You will see a Node Editor and set this to Shader to edit your material.
In this window you can change the material object from default Diffuse BSDF to new gold material.
Use Shift A keys to search and add all you need to make the gold material.
This is the result of nodes for this material:
