How to a corner join on curved benchtop with no masons mitre?

[JR2]

I have a 28mm thick worktop that has a slight curve on the edge which I am using as part of a low budget kitchen renovation. This will be my kitchen countertop.

The issue I have just found out before I was about to cut is the front has a slight curve to it, so when I join the corner piece it will be joining against a straight edge and will obviously have a bit of a gap. 

given it is only 28mm I cannot use a masons mitre. Is there any other option I can use to make the corner joins look seamless? I was considering just using joint compound, silicone and painting over it to attempt to close the gap where the curve is.

any help is greatly appreciated!!

[Nailbag]

As the finished join will have a dirt trapping groove, would you recommend some form of clear epoxy to fill it level to the benchtop @MitchellMc ?

Nailbag

[MitchellMc]

That's certainly a possibility, @Nailbag. Or perhaps a silicone as @JR2 was thinking earlier. I'm not sure how long silicone would last, though.

Mitchell