The First and Forth Picture are of a regular moddable lightsaber blade. The Second and the Third of the visuals from the VIndicator's Lightsaber from the CM.
As you can see the blade is thicker and less defined on the original style lightsabers. Where on the Vindicator's it's thinner and sharper.
http://imgur.com/DtOQASO,KFuW2kz,4PLWLa0,yAIJoDy#0