Helps grade the colour of diamonds Features 10 points on the colour scale Ranges from colourless (D) to faint yellow (M) This Diamond Colour Grader Master Set is used as a reference for evaluating and grading the colour of diamonds. The set represents different points on the colour scale. Having a standardised set is crucial for ensuring consistency and accuracy in diamond grading. The master set serves as a benchmark for establishing the colour grades that are then used to communicate the quality and value of diamonds to customers. The worth of diamonds is gauged by their proximity to colourlessness: the less colour present, the greater their value. Typically, diamonds available in jewellery establishments range from colourless to nearly colourless. Featuring 10 diamond grades from D-M.