What is a round diamond round diamond cut?

The following is a small series for friends to introduce what is a round diamond, round diamond cut. Now the market is the most common and the most popular diamond shape, it can maximize the diamond fire, make the diamond Maximize beauty.

Round diamond

Round diamonds are made of round diamond-cutting diamonds, ideal for cutting, also known as Torkovsky. It is the Polish mathematician Marshall. In 1919, Marlík Tolkowsky (1899-1991) first calculated the cutting equation that theoretically allowed the diamond to reflect the maximum amount of light. The width of the countertop should be 53% of the total width, and the angle of the pavilion should be 40 and 45 degrees. There are 57 or 58 facets. These facets are divided into three main parts: the crown, the waist and the bottom.

Crown

The crown is the top part of the diamond above the waist. Light shines into the diamond from the facet of the crown. The crown consists of a kite face, a star face, a face flap and a countertop.

Countertop - octagonal, the largest diamond facet on the countertop, located on the top of the diamond.

The kite face - also known as "face four eight", the kite face is a kite-like facet between the table top and the waist. The round diamond has 8 kite faces.

Star Flap - These triangular facets extend from the table to the face flap and have eight star lobes.

Face flaps - These triangles have the facet closest to the waist and have a total of 16 face flaps.

waist

The waist separates the crown from the bottom. The diamond waist is generally polished into small facets. There are also some diamond waists

Unpolished will give the waist a feeling of frost on the surface. However, even if the waist is not polished, it is finished.

bottom

The bottom is the other half below the waist of the diamond. The bottom facet reflects back the light from the crown into the diamond. The bottom is made up of the bottom lobes, the bottom surface, and some diamonds have a small facet on the apex.

Bottom lobes - These triangular facets extend from the bottom of the waist to the tip of the waist and have 16 bottom lobes.

The bottom four-eight-kite or diamond-shaped facets look like arrows, with a total of eight bottom kites.

Bottom - a small facet on the bottom of the diamond. Most of the round diamonds now have no underside, and in most cases the bottom kite faces are finally brought together into a bottom.

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