Round Brilliant Diamond Depth

In a grading report there are normally two measurements of depth.

Round brilliant diamond depth.

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. Fluorescence is often a negative factor but it can be helpful in some cases. Diamond depth percentages in round brilliant cut diamonds. On a modern round brilliant cut diamond the table is one of 58 facets on the surface of the diamond.

See the chart below for detailed information. The depth of a diamond is its height in millimeters measured from the culet to the table. 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. 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.

Discover the ideal depth and table percentages for round diamond cuts and the ranges you should stay within when buying a round brilliant diamond. February 18 2013 one of the most important things to consider when looking for the best diamonds to buy is the diamond depth percentages. When you set out to buy a diamond be it for an engagement ring an anniversary necklace or a pair of earrings to celebrate a graduation there s quite a bit more to consider than just how shiny it. It is widely misconceived that a larger table percentage would make a round diamond more brilliant than one with a smaller table.

Total depth depth average girdle diameter x 100.