How to recognize a real diamond

HARDNESS OF DIAMONDS Diamonds are the hardest minerals in the world (Mohs hardness is 10). This means that a diamond can only be scratched by another diamond. Such high hardness of diamonds is their great advantage in jewelry. Once purchased, diamond jewelry never fades. A diamond will always look like new (as long as we don't scratch it with another diamond. If you're wondering if your stone is a diamond, look out for any scratches. If a stone has surface scratches, it means it's almost certainly not is a diamond.This is one of the main ways to check how to recognize a diamond in a ring.