I know this may be unneeded, but it would be cool, cents or percentages of a rupee, so on a shop sign it may have it like this: zombieslayer0101B 34.50Diamondjust a little add-on to the economy
We actually USED to have this and ended up going to whole numbers. I forgot the exact reason, but it had to do, I believe with maximizing the way chest shops work.
100 paisa is 1 rupee, in Pakistan/India. But, no... I don't think this is necessary - it would make things more complicated and confusing. If you really must sell diamonds for 34-and-a-half, sell two for 69.