Colourless
D colour diamond prices.
D colour is graded "Colourless" on the GIA colour scale. The highest colour grade. Completely colourless under magnification. Extremely rare and commands the highest premiums. Our price data is based on 570,764 D-colour diamonds — 497,798 lab-grown and 72,966 natural.
D colour by clarity.
Based on 497,798 lab-grown diamonds.
Browse D colour by shape.
Frequently asked.
What does D colour mean in diamonds?
D colour is classified as "Colourless" on the GIA diamond colour grading scale. The highest colour grade. Completely colourless under magnification. Extremely rare and commands the highest premiums.
How much does a D colour diamond cost per carat?
Based on 570,764 diamonds in our dataset, D-colour lab-grown diamonds average £966/ct and natural D-colour diamonds average £4,419/ct.
Is D colour a good choice for a diamond?
D is in the "Colourless" range — the highest tier. It appears completely white and commands premium pricing.