Diamond is one of the rarest minerals on Earth and is known as the queen of precious stones. Diamonds are made up of a single element, Carbon. So where is it? Natural diamond evaluation standards . Let's find out with the article below!

Standards for evaluating natural diamonds

Determining the exact value of each diamond becomes an important issue, how does this assessment respond to the growing market development. Therefore, gem certification organizations were born, the Gemological Institute of America was established in the US in 1935, and in 1940 the Gubelin laboratory in Lucern certified diamonds...

  • Diamond Tan
  • Diamond jewelry

To evaluate a diamond, experts often rely on 4 criteria, referred to as 4C criteria, including: Color, clarity, weight in carats (cara weight). , and cutting techniques.

  • Weight (carats)

Carat is a unit of measurement for the weight of Diamonds, symbolized by cts, in which 1 cts = 0.2gr.

The heavier the Diamond, the higher its value, however the weight is not always proportional to the size of the Diamond.

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  • Color

This is the standard for the color or whiteness of a Diamond. The color of diamonds is also diverse, depending on the color they are divided into two groups: colored and colorless.

The colorless group includes diamonds that are completely colorless to very pale yellow. The value of a Diamond gradually decreases with the increase in yellow color.

Colored Diamonds include diamonds of other colors such as yellow, pink, red, black, and blue.

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  • Clarity

Purity is used to classify diamonds through the presence of the number and size of impurities inside as well as defects on the outside surface. It is very rare for Diamonds to be flawless, meaning not a single impurity or surface defect can be found even when observed under a 10X Magnifying glass by experts.

  • Cut (cutting technique)

Of the four standard characteristics, cutting technique has the greatest influence on the beauty of the diamond because it shapes the diamond according to the trends that the user needs and desires. When considering cutting techniques, people consider three characteristics:

Shape: circle, triangle, rice grain, parallelogram...

Diamond face type: cascading rectangular style, pointed rectangular style, round style,...

Balance and cut appear in each diamond.

These criteria shape the beauty of each diamond through the individuality, difference and uniqueness of each diamond. Thereby attracting users and creating value for each diamond.

Above are the four basic criteria for evaluating diamonds. I hope that information is helpful to you. You can come to Cao Diamond to receive the best care and advice about the product.

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