In this article we will try to understand how to calculate the weight of a diamond ?
This is an important step in our calculations to define the price of a diamond in our possession.
All of us gemologists always work with the carat.
The value of a diamond will always be defined around the famous rule of 4C diamond.
Weight is one of the components of the 4c diamond rule.

- Diamond price: The weight.

Firstly, the weight of a diamond is expressed in caratsOne carat is equivalent to 0.2 grams.

Indeed, the value of a carat of gold is by definition essentially different from that of a carat of diamond.
To sum up, the carat of a diamond is a unit of weight, whereas for gold it's a measure of the quality of the material.

It is therefore important not to confuse the carat of a diamond with the carat of gold.
By definition, it would therefore be impossible to compare the carat of an ounce of gold with that of a carat of diamond.

- Use an approved scale.

This photo shows a state-approved scale used to calculate the weight of a diamond.
We use a certified scale to isolate the air in the room.

So you'll need to use approved scales to calculate the weight of a diamond as accurately and fairly as possible.
Consequently, you can't use your own scales to calculate the weight of your diamond accurately.
In fact, by using a simple kitchen scale to calculate the weight of your diamond, you run the risk of disrupting the measurement due to air flow in the room.
As you can see from this photo, we use closed scales that don't let any ambient air in.
We also need to talk about the certificates of authenticity provided by laboratories such as the GIA for example.
Read this article to find out more about French standards on scale approval.

This is a photo showing an example of a diamond certificate provided by the GIA laboratory. To understand how to calculate the weight of a diamond.
An example of a diamond leaving the GIA laboratories after an appraisal.

As you can see from this photo taken by an Obagem gemmologist in the diamond appraisal, the laboratory will officially define the diamond's weight.
After that, the diamond's weight will be certified by a laboratory recognized by diamond professionals the world over.

So how do selling a diamond without a certificate of authenticity ?
A service diamond redemption can precisely calculate the weight of your diamond and have it certified.

Sell your diamond better.

In conclusion, if you too would like to calculate the weight of your diamond in preparation for selling it.
In this case we recommend sell your diamond with state-qualified gemologists and in cooperation with major laboratories such as GIA.

Do you have questions about how to calculate the weight of your diamond?
You are kindly invited to contact the support of this site.
Understanding how to calculate the price of a diamond is not easy, so don't hesitate to contact us.



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