Why are grading and certification so important in acquiring coloured diamonds?
A. Coloured Diamond grading and certification are important aspects of any responsible purchase. Any goods acquired through the international marketplace must meet three main requirements: • That the diamond is a natural coloured diamond and not irradiated or enhanced in any way. • The specifications of the colour and the colour modifiers. • That the diamond is graded under these criteria by an internationally recognized institution. Internationally recognized labs possess the most advanced equipment available to determine whether or not a diamond has been altered in any way, making it impossible for an irradiated diamond to pass through the certification and grading process. Furthermore, equipment for measuring colour saturation has risen to the level where it is possible to determine scientifically just how much colour any particular stone has. For the novice collector, it is critical to know they are dealing with natural, authentic pieces and proper laboratory grading and certificat
