Diamond’s cut



The sparkle you observe in a diamond is directly related to its Cut

It is the product of a precise and knowledgeable craftsmanship. The expert will analyze each diamond in its rough condition and determine its final look. With its fire, brilliance and scintillation, Cut is the one factor from the 4C’s that allows everyone to appreciate a diamond with a naked-eye. However, it is also known as the most difficult criteria to evaluate with precision.



Ordinary to Extraordinary diamonds cut


When you look at a rough diamond, there are no twinkles. We can define the stone as dreary and gloomy. The cutter’s work will bring out all the beauty of a diamond. But first, he needs to evaluate which criteria he will focus on. He needs to select between Color, Clarity and Carat, which one will maximize the diamond’s value on the market. In some cases, the process before even cutting the diamond, will take months. From GIA’s grading, once these three aspects of a diamond are graded as Excellent, the diamond will be a “Triple X”.



Angles and proportions of a diamonds cut


Like we mentioned earlier, a diamond’s cut is graded in regards of how the diamond interacts with light. But what does that mean? When a ray of light penetrates the upper part of a diamond, we are looking how it returns the light. For this to happen, the pavilion facets need to be in a precise angle. If the pavilion is too deep or not deep enough, the rays are lost. With this happening, there is no reflection on the facets and your eyes won’t receive the brilliance of the diamond. When a diamond is cut with excellent angles, we say he has its “ideal proportions”. This said, the diamond’s color and clarity will not have a particular impact on the grading of its cut. But, cut will have a massive impact on how it looks. If you have a diamond of D color and IF clarity, but its cut is graded as “poor”, it will look lifeless. This is why at Langlois Jewelry; our diamonds are mostly graded as “very good”.



Polish and Symétrie of a diamonds cut


After a diamond is cut, the expert has to polish it. It is the key part where a rough diamond becomes a polished diamond. The diamond polisher will assure to remove the imperfections observed on the diamond’s surface and that the facets are smooth. Precision and experience will make all the difference. The tiniest slip can cause an important drop in the diamond’s value. While polishing, the expert will also have to consider the diamond’s symmetry. It relates to the facets’ shape, how they are aligned and placed. Once again, symmetry and polishing will have a significant impact on the diamond’s reflection.

Performance of diamonds cut

From all this articulate and meticulous work, we evaluate the diamond’s cut with its performance. It is a combination of three different situations that are observed when a ray of light touches a diamond’s surface. First, we have its brilliance. It is related to all the white reflections that are created either by the external or internal facets. In second position we have the fire. It concerns the dispersion of a white ray of lights in its spectral colors, which are also associated has the colors of the rainbow. And third, we have the diamond’s scintillation; a white ray of light that results from a movement. These three aspects of a diamond offer an incredible performance when they are all graded as “excellent”.

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