See the chart below for detailed information.
Round brilliant diamond depth.
In a grading report there are normally two measurements of depth.
On a modern round brilliant cut diamond the table is one of 58 facets on the surface of the diamond.
Fluorescence is often a negative factor but it can be helpful in some cases.
In terms of cut a total depth of 59 62 5 and a total table of 53 58 5 is preferred in round brilliant cut diamonds.
For a round diamond an ideal depth percentage is between 59 and 62 6 percent this.
The total depth percentage of a round brilliant diamond is the table to culet depth expressed as a percentage of the average girdle diameter and reported to the nearest tenth of a percent 0 1.
Discover the ideal depth and table percentages for round diamond cuts and the ranges you should stay within when buying a round brilliant diamond.
The total depth percentage is a calculated value obtained by the following formula.
Total depth depth average girdle diameter x 100.
The depth of a diamond is its height in millimeters measured from the culet to the table.
It is widely misconceived that a larger table percentage would make a round diamond more brilliant than one with a smaller table.
Diamond depth percentages in round brilliant cut diamonds.
The diamond s depth percentage is the ratio of the diamond s diameter compared to the diamond s total depth the measurement of the table to.