Lab-grown diamonds are indeed real diamonds that are created through a process that replicates the natural diamond formation process. These diamonds are also known as synthetic diamonds, cultivated diamonds, or man-made diamonds. Lab-grown diamonds are created by placing a small diamond seed in a chamber that is filled with a gas mixture. The chamber is then heated to extremely high temperatures, and the gases in the chamber are ionized using a high-energy source, such as a microwave or a laser. This causes the carbon atoms in the gas to form a plasma, which then deposits on the diamond seed and gradually builds up into a rough diamond crystal. The resulting diamond is chemically, physically, and optically identical to a natural diamond, and it can be cut, polished, and graded just like a mined diamond. However, lab-grown diamonds are typically less expensive than natural diamonds, and they are also considered to be more environmentally sustainable, as they do not require the same amount of mining and excavation as natural diamonds.