The Importance of Diamond Clarity

The Importance of Diamond Clarity

Anyone who has ever purchased a lab-grown diamond knows that clarity is one of the main characteristics to look for. The clearer the lab-grown diamond, the higher its value. This makes diamond clarity an essential factor during the purchase journey.

What is diamond clarity?

" Clarity is the level to which a diamond is free from inclusions and blemishes. "

Diamond inclusions are internal (inclusion) or external (blemish) imperfections within the crystal structure, which may or may not be visible to the unaided eye


A lab-grown diamond's overall quality and value are determined by the 4Cs - Cut, Color, Carat weight, and Clarity.

 The better the diamond clarity, the less visible inclusions are.
​ The better the diamond clarity, the less visible inclusions are.​

What does diamond clarity mean?

Diamond clarity can be expressed by the grading scale providing a relative ranking. A diamond's clarity grade considers factors such as size, nature, position, colour and quantity of imperfections visible under 10x magnification.

To evaluate diamond clarity, gemologists examine the lab-grown diamond under 10x magnification.

How is diamond clarity determined?

There are a few different ways to determine the clarity of a lab-grown diamond.

The first way is to use a loupe which is a 10x magnification tool. It is used to inspect the lab-grown diamond’s surface for flaws.

The second way is to send the lab-grown diamond to a gemological laboratory for testing. It will be inspected from the inside out and graded based on clarity. This clarity grade will be used to help determine the lab-grown diamond’s value.

How to read a diamond clarity grade chart?

GIA Diamond Clarity Scale
Illustration: Gemological Institute of America​​

When it comes to diamond clarity grading, the higher the clarity grade, the less visible the inclusions are. It is accessed across 6 categories, and 11 specific grades, which are:


FL: Flawless

The best diamond clarity has no inclusions or flaws that can be seen under 10x magnification. This is extremely rare to occur.


IF: Internally Flawless

Lab-grown diamonds with this grade have no inclusions visible and are only minimal through 10x magnification.


VVS: Very Very Slightly Included (VVS1 & VVS2)

It has very small inclusions that are extremely difficult to see under 10x magnification.


VS: Very Slightly Included (VS1 & VS2)

It has minor inclusions that are difficult and somewhat easy to see under 10x magnification.


SI: Slightly Included (SI1 & SI2)

It has noticeable inclusions that can be seen under 10x magnification.


I: Included (I1 & I2)

It has large inclusions that are visible under 10x magnification. Generally, the beauty of the diamond is affected at this clarity grade or below.


F: Flawed

It has many inclusions that can be seen without 10x magnification.

Are lab-grown diamonds better clarity?


Many people choose lab-grown diamonds for their clarity. They prefer to buy a lab-grown diamond with a clarity grade of VS or better than VS.


Lab-grown diamonds are often graded to VS or better. So, if you prefer the highest clarity possible, a lab-grown diamond might be right for you.


Buying tips?


Clarity is essential because it is used to determine the value of a lab-grown diamond. If you’re looking for engagement rings, it is essential to understand the differences between each diamond clarity grade and their prices.