This is Radiant Cut Moissanite Video. We can scratch the glass with a moissanite diamond, if the glass can leave scratches, it means that the moissanite diamond is genuine, because the hardness of the Radiant Moissanite is relatively large, using a pencil to scratch on the wet moissanite diamond will not leave any trace, and a drop of water to the dry moissanite diamond will appear as a rounded drop of water.