---
title: "Internally Flawless (IF): meaning in gemology"
description: "Internally Flawless (IF) is the clarity grade for a diamond with no inclusions at 10x. Only blemishes on the surface show."
url: https://digitalgemology.com/learn/glossary/internally-flawless
image: https://digitalgemology.com/img/og-digital-gemology.png?v=d224fb01
---

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[Glossary](https://digitalgemology.com/learn/glossary) · Four Cs

# Internally Flawless (IF)

Also called IF

Internally Flawless (IF) is the clarity grade for a diamond with no inclusions at 10x. Only blemishes on the surface show.

## In more detail

It sits one step below Flawless on GIA's 11-grade scale. The difference is only on the surface, such as small polish marks.

## On a grading report

Written "Internally Flawless" or "IF".

## Related terms

- [Flawless (FL)](https://digitalgemology.com/learn/glossary/flawless): Flawless (FL) is the top clarity grade: a skilled grader finds no inclusions and no blemishes at 10x magnification.
- [Very, Very Slightly Included (VVS1, VVS2)](https://digitalgemology.com/learn/glossary/vvs): VVS1 and VVS2 are the clarity grades for very small inclusions. Even a skilled grader has difficulty finding them at 10x.
- [Blemish](https://digitalgemology.com/learn/glossary/blemish): A blemish is a clarity characteristic confined to the surface of a diamond.
- [Clarity grade](https://digitalgemology.com/learn/glossary/clarity-grade): The clarity grade says how free a diamond is of inclusions (inside) and blemishes (on the surface) at 10x magnification. GIA's scale has 11 grades in six categories, from Flawless (FL) to Included (I3).

## Learn more

- [The diamond clarity scale explained, from FL to I3](https://digitalgemology.com/learn/four-cs/diamond-clarity-scale)

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