H colour diamonds

H is a near colourless grade on the D to Z colour scale. Near colourless. Colour is usually unseen except by trained graders.

Grade: 5th of 23, in the near colourless group
What you see: Colour is usually unseen except by trained graders.
In RXXO: 1 in 40 diamonds

H in RXXO

67diamonds like this in RXXO right now

Questions

Is H a good colour for a diamond?

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

How rare is H colour in RXXO?

About 1 in 40.

What is the difference between H and I colour?

One step on the D to Z scale: H has a touch less colour than I. 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.