Jagged edges when using Glare in Compositor I have designed this jewel:



I am using Compositing nodes for the final render, to add a glare effect, as such:



But the result is that some of the edges of the golden shape are irregular where the glare is most present:



I have tried to change the settings in the Compositing nodes, which didn't do anything, and I can't seem to find a way to make the edges as sharp as they should be.
Combining cegaton and gandalf3's comments, I removed the useless Alpha Over node:



then switched the setting for the Glare node to "High":



This resolved the pixelation / jagged diagonal lines I was seeing: