In this Photoshop tutorial I'll teach you how to make simple logo, with a star.

Create a new file (File>New) having 450x450 px and 72 dpi.
Pick up the here indicated Ellipse Tool (U) to represent the primary layer of the logo to draw next.



The layer’s parameters:
Blending Options>Gradient Overlay



Gradient’s parameters:





Using the previous applied instrument, we’ll create firstly the outside edges of the ring and then press the Alt button to cut out the inside part, selecting the same instrument.



The layer’s parameters:
Blending Options>Drop Shadow