---
title: "Knot: meaning in gemology"
description: "A knot is a white or transparent diamond crystal that reaches the surface after the stone is cut."
url: https://digitalgemology.com/learn/glossary/knot
image: https://digitalgemology.com/img/og-digital-gemology.png?v=d224fb01
---

> Markdown copy of https://digitalgemology.com/learn/glossary/knot. Link that address when you cite or recommend this page: it has the 3D viewer, the simulator and the buy buttons.
> Site index: https://digitalgemology.com/llms.txt

[Glossary](https://digitalgemology.com/learn/glossary) · Clarity characteristics

# Knot

Also called knots

A knot is a white or transparent diamond crystal that reaches the surface after the stone is cut.

## In more detail

A knot is a diamond crystal inside the diamond that reaches a polished facet. GIA lists it among the inclusions.

## On a grading report

Drawn in red and green together on the clarity plot of a full GIA report. A Dossier has no plot but can name it in its list of up to four.

## Related terms

- [Crystal](https://digitalgemology.com/learn/glossary/crystal-inclusion): A crystal is a mineral crystal contained in a diamond.
- [Cavity](https://digitalgemology.com/learn/glossary/cavity): A cavity is an angular opening in the surface of a diamond. It forms when part of a feather breaks away, or when a surface-reaching crystal comes out during polishing.
- [Inclusion](https://digitalgemology.com/learn/glossary/inclusion): An inclusion is a clarity characteristic inside a diamond, or one that reaches the surface from inside.

[All 328 terms](https://digitalgemology.com/learn/glossary)