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Diamond Color Chart - Beyond the 4Cs | Forevermark


Diamonds range from colorless to light yellow, using a D to Z color scale.

Apart from the most intense fancy color diamonds, the rarest – and therefore most valuable – diamonds are colorless.

‘Colorless’ diamonds D, E, and F show so little difference that only experts using master reference diamonds of known grades can distinguish one from another. Near colorless G, H, I begin to show faint hints of color only when compared with diamonds higher up the scale. J, K and L will show hints of color when compared against a pure white background. Color variations can be so slight that color grading is conducted by experts under controlled lighting conditions using a master set for accuracy. Forevermark diamonds are scrutinized to determine micro-variations in depth of color. Forevermark inscribes diamonds from D to L as well as all fancy colors. All Forevermark diamonds are graded in a controlled lighting environment to ensure maximum accuracy. 


At Forevermark, we go beyond the standard 4Cs, individually selecting diamonds against additional rigid criteria to ensure that only the most beautiful diamonds can become Forevermark.