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Types of cut

In Mussui we want you to know the different types of sizes that are used around the world.

Basically fall into two types of size. The carvings and cabochon faceted sizes. From them, the rest are developed.

Faceted cut

flat surfaces, commonly used for transparent gems.

Simples cut

cuts as the Swiss and the rose, formerly used for small diamonds.

 

Brilliant cut

is the most used in diamonds, although it can also be used for other stones. It consists of fifty- seven to fifty-eight facets or sides, depending on whether create an additional bottom facet called culet. The facets are divided into two parts, called crown and cylinder head, linked together by the girdle.

In 1919 Marcel Tolkowxky published the first technical study on the cut of the diamond, establishing the ideal measures for the brilliant cut.

In his treatise he took into account the optical properties of diamond and the passage of light refracted inside. Until then, the cut of the diamonds was developed empirically maximizing the raw material, so that in addition to generating low brightness, the proportions had very high crown, a small table and a too deep butt.

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There are carvings derived from shiny faceted distribution is very similar to that bright, but its shape is not round.

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Cuts in galleries

in these carvings facets have an elongated trapezoid with edges (galleries) parallel to the girdle. Depending on how different names: emerald cut, baguette, carré or square, pentagon, rhombus, trapezoid... The most popular cut of this group is the emerald cut, used mainly for the same gemstone. The plane is octagonal girdle and can be rectangular and square.

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Sicissor or cross cuts

Normally used in rhinestones or colored gems. It is rectangular in shape with cut corners and cross shaped facets triangles.

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Stamp cut

It has a very large table, surrounded by a narrow trapezoidal gallery without butt. Commonly used in opaque and translucent stones.

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Mixed cuts

The top of the piece bright guy and head carved in parallel galleries, like the emerald cut. If the gems come from Thailand, Sri Lanka and India, the chances are that have this kind of cut because most approaches the rough stone.

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Briolette cut

A cut faceted pear-shaped over its entire surface.

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Barion and Radiant cuts

Are very similar to the octogonal shape. The differ in the crown facets that in the Baryon are emerald cut and in Radiant facets are crossed.

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Princess cut

May be square or rectangular, and the base may have a different number of facets, this type of cut allows a great achievement of the gross of the stone.

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Concave facets

It´s a very recent technique in wich the arrangement of the facets is equal to tradicional carvings, with the difference that the facets are concave and no flat. Generating brightness is very different from tradicional cuts.

 

Cabochon cuts

use don curved surfaces, usually used to treat opaque stones, translucent or to highlight optical effects such as cat eye…Are not faceted cuts with curved surfaces.

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The Mussui team