Yes, according to their Web site, diamondesque is the [real] ..."highest quality cubic zirconia..."
I believe that you may be thinking of the word "diamondesque," which means a fake diamond. "-esque" is a French suffix meaning "similar to."
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.
No, a simulant diamond is a fake diamond.
a real diamond can scratch glass and if the diamond gets scratched it's fake
Take your black diamond to a jeweler and ask the jeweler to use the probe to verify that the diamond is a real diamond.
Take your chocolate diamond to a jeweler, who can use a probe to confirm, or not, that the diamond is real, or not.
Supposedly the only way to distinguish the best manufactured white diamond from a real diamond is the fake diamonds are flawless, and no real diamond can be truly flawless. I always wondered about this though, because how hard would it be to add flaws to a fake diamond to make it appear real? So my opinon is there is no way to tell the difference between a real diamond and a fake diamond.
Yes
Not a real diamond, no.
Yes.
Yes.