Table Cut Diamond

As the top facet the table lets light into the diamond and refracts it towards the facets on the top and sides creating its unique sparkly appearance. For example if the table facet is 3 5mm wide and the diamond is 5mm wide the table is 70. A single cut diamond usually has 18 facets.

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Diamond s cut is what defines its brilliance fire sparkle and overall appeal.

Table cut diamond.

See figure 1 below to see the table in the on the diamond. A perfect cut diamond is proportioned in such a way that nearly all the light that enters the diamond gets returned to the viewer s eye. The culet or bottom edge of the diamond may be pointed or it may be flat. The single cut is an extremely old diamond cut dating to the 1300s.

And that s another loophole in the diamond world to find value for money. Each of the four sides has a simple facet similar to a bevel. About diamond table diamond table is determined by dividing the width of the table top surface area by the width diameter of the diamond. Table cut diamonds a table cut diamond is so named for the simple fact that the top is flat like an ordinary table.

The table percentage of a round brilliant diamond is the average of four table measurements from bezel point to bezel point expressed as a percentage of the average girdle diameter. The ideal table percentage will vary based on the shape of your diamond. It is reported to the nearest whole percent 1. If the table percentage is too large light won t reflect off of the diamond s crown angles and facets.

The top cut grades from ags and gia include 52 to 61 table sizes. An alternative modern definition of the table cut is that the term includes any diamond which has a table facet. An ideal cut can create a sparkle that can hide inclusions and mask undesirable colors. These diamonds although found in the 16th century were most often utilized from the 17th through the earlier 18th century in jewelry.

Larger table diamonds have a better. A seemingly minute change in the pavilion or crown angle can make a big difference to the sparkle fire and scintillation of a diamond. The table percentage is a calculated value obtained by the following formula. The size of the table is one of the most important factors in the appearance of any diamond.

On a modern round brilliant cut diamond the table is one of 58 facets on the surface of the diamond. A single cut diamond has a large table and an octagonal girdle. But do not confuse a diamond s cut with a diamond s shape. But for rings above half a carat most experts prefer tables between 54 and 59 but bigger table sized diamonds can save you money.

These diamonds have been cut in the classic diamond shape with a table uppermost a shallow crown and a pavilion going down to a point or near point below. For example the ideal table for round cut diamonds is between 54 60 percent while the ideal dimensions for emerald cut diamonds puts table percentage between 66 72 percent.