lab created diamonds are physically, optically and chemically identical to mined diamonds. They are much cheaper than natural mined diamonds whose supply is controlled by an oligopoly of companies led by the DeBeers Group. Natural mined diamonds are formed deep in the Earth’s crust where they are subject to extreme pressure and temperature which helps to form diamonds. Lab created diamonds are manufactured using similar technologies with better results. However, there are always some inclusions in the diamonds in the form of nitrogen or other minerals