Although it IS possible for a diamond to be scratched, it's not very likely. It takes another diamond to do it, and it's difficult. If it's scratched it MIGHT not be a diamond. It might be, too, but it's odd that a diamond would be scratched. In any case it must be professionally repolished. There is no way for anyone without cutting equipment to do the job. And if it is a diamond only diamond grits will do the job, which few households even have. Go to a jewelry store and ask about it.
A diamond can scratch a diamond, but one diamond cannot scratch itself.
Take the two and scratch them off of each other. Which ever is scratched is the crystal. Diamonds are always harder. You can also try to scratch it off of other things too, but the diamond will never scratch.
No. Only a diamond can scratch another diamond.
gympsum can scratch diamond
A diamond will scratch anything and everything, including another diamond.
scratch it off or get a dog
No. Diamond will scratch steel, however,
Nope! A diamond is the hardest substance on earth so only a diamond can scratch a diamond!
Yes: not a good use for a diamond, but yes, a diamond will scratch a nail.
Yes, in fact, it is the only way to scratch a diamond.
Diamond is harder than steel: you can scratch steel with a diamond, but steel will not scratch a diamond.
noNo other way around