G colour diamonds

G is a near colourless grade on the D to Z colour scale. The best near colourless grade.

Grade: 4th of 23, in the near colourless group
What you see: Colour is usually unseen except by trained graders.
In RXXO: 1 in 40 diamonds

G in RXXO

73diamonds like this in RXXO right now

Questions

Is G a good colour for a diamond?

G is near colourless: colour is usually unseen except by trained graders.

How rare is G colour in RXXO?

About 1 in 40.

What is the difference between G and H colour?

One step on the D to Z scale: G has a touch less colour than H. Side by side, the difference is very hard to see without master stones.

RXXO numbers are the odds every mint draws from. Updated 8 October 2026.