This ring was chosen by my friend''s daughter to be her engagement ring. She compared it to a genuine diamond ring and could not tell the difference under an kind of lighting.It is in a 4 prong setting with a bottom halo. SO she decided to put the savings toward a down payment on their first house. Her fiance surprised her by purchasing a 2 carat CZ instead. Now this baby can be yours without the timely research. Size 5.5 NWT.