Wala Gems shares its knowledge and expertise about factors that affects its valuation. A diamond quality and value is judged on four fundamental characteristics known as 4 C's .These are Carat weight, Clarity, Color and Cut. The creation of the Diamond 4Cs meant two very important things: diamond quality could be communicated in a universal language, and diamond customers could now know exactly what they were about to purchase.
It is the overall condition of the surfaces of a finished diamond. Polish is rated Good (GD), Very Good (VG), Excellent (EX), and Ideal (ID).