Colombian Emerald, Asscher Cut, 1.65ct Lab-Grown

Colombian Emerald Asscher Cut, 1.65ct (7mm x7mm) Lab-Grown, Beautiful Stone. 

These gemstones have the same physical ,optical, and chemical properties as mined gems. The best analogy is to think of making ice in a freezer rather than finding it in a lake. The ingredients are exactly the same, its water, you make ice in a freezer which is a man made controlled environment or a lake which natural but must be extracted.