November 18, 2022

4Cs as a universal method to evaluate the quality of a diamond:

Until the mid-20th century, there were no agreed parameters for evaluating a diamond. Today, however, there are the 4Cs as a universal method to evaluate the quality of a diamond: Carat (Carat), Color (Color), Clarity (Clarity) and Cut (Cut)

Carat – Carat

Indicate the weight of the diamond. One carat equals 0.20 grams. Below the carat, we speak of cents or points of a carat. A half carat diamond therefore weighs 10 grams or 50 points. The word carat derives from the carob seeds which were used to weigh precious stones.

The birth of the carat is due to South Africa, one of the countries where a significant amount of diamonds are still extracted today. It was 1832 when this measure was adopted to define the weight of diamonds.

The weight of the diamond also determines its size and therefore also its diameter.

Color – Color

Evaluating a diamond’s color is often determined by the absence of color. A pure diamond has no hue, it is a bit like a drop of pure water. The color classification goes from D to Z and are the values ​​that indicate the degree of absence of color.

Clarity – Purity

The clarity of diamonds refers to the absence of inclusions and signs that the stone may have, observed with a 10x loupe by a qualified person. The absence of marks and inclusions determines the clarity of the diamond.

Natural diamonds are the result of a process that sees carbon subjected to strong pressures deep in the earth. The genesis process can lead to inclusions and even spots on the diamond itself.

Cut – Cut

Cutting is one of those activities carried out by man and which determines an added value in the rough diamond. The cuts can give rise to different shapes, from round to heart, from oval to marquise, from drop to carrè, from emerald to trapezoid.

The better the cut, the more light will be reflected by the diamond (refraction). The rays of light reflections towards the surface outlets are broken into spectral colors, with a classic prismatic effect. All of these help determine the brilliance of a diamond.

DIZIONARIO

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