Half carat is the term used to measure the weight of the real diamond. A diamond's weight does not define or detract from the fact that the diamond is or is not a real diamond.
You can take your diamond to a local jeweler who can use a probe to help you figure out if the diamond is a real diamond.
a real diamond can scratch glass and if the diamond gets scratched it's fake
No, a simulant diamond is not a real diamond. It is a material that mimics the appearance of a diamond but is not made of the same physical and chemical properties as a natural diamond.
Take your black diamond to a jeweler and ask the jeweler to use the probe to verify that the diamond is a real diamond.
Yes.
Yes.
Not a real diamond, no.
a real diamond can cut glass, a fake diamond cant.
Take the diamond/item containing the diamond to a jewelry store, and ask if it's a real diamond
A real diamond is an allotrope of carbon, and as formed, is the hardest mineral on earth.
Take your diamond to a jeweler, who will use a probe to determine whether or not the stone is a real diamond.