no but a real one can even break the glass and shatter it on scratching too hard
Chat with our AI personalities
a real diamond can scratch glass and if the diamond gets scratched it's fake
This is a physical change. There is nothing that changes the components of either the diamond or the glass when the diamond is used to scratch glass.
a real diamond can cut glass, a fake diamond cant.
A 'quick and dirty' test is to pass the diamond over glass. If it cuts the glass, it's probably a diamond. Some 'fake' diamonds cloud up under cold water; a real diamond remains clear. Finally, a certified gemologist will always be able to tell whether a diamond is a real diamond, or a 'fake' diamond -- using a diamond tester.
Diamond will scratch everything, including diamond.