This is courtesy of jopiej over at XDA:
Guys, Finally get it done. some minor correction need to be done in Big weather selection and Analog clock background.. But everything is working so great..
I've excluded the MRU screen, as I hardly ever used that screen..I'll post another layouts that included it.
Please try it and enjoy the Diamond themes for our Square Screen.
All credits of course goes to our heroes Greatbal.. Thanks pal!!
cheers..
edited -- updated font files, please copy these fonts files to your device/windows/fonts folder. sorry that i forgot it..
so stupid.. 
P.S. Professional screen is not working under this themes.
late,
Coz