Black Table
The “Black Table” in diamonds refers to the visibility of inclusions or blemishes that appear prominently within the table facet, the largest and topmost facet of a diamond. These black inclusions are typically carbon spots or other minerals trapped within the diamond during its formation. While not a traditional grading parameter like the 4Cs, the presence and visibility of black table characteristics can significantly impact a diamond’s aesthetic appeal and value. This guide will explore our grading parameters for black table in diamonds, including BT0, NV, BT1, BT2, BT3, NA, and NO BIT, to help you make an informed decision when selecting a diamond from the Gemayel selection service.
- BT0 (Black Table 0) : Indicates no visible black inclusions within the table facet when observed with the naked eye. This grade represents the ideal scenario, where the diamond’s table appears clean and clear.
- NV (Not Visible) : Suggests that any black inclusions present within the table are not visible to the naked eye under normal lighting conditions, having minimal to no impact on the diamond’s appearance.
- BT1 (Black Table 1) : Denotes minor black inclusions within the table that are difficult to see with the naked eye. These inclusions have a negligible effect on the diamond’s overall beauty.
- BT2 (Black Table 2) : Refers to noticeable black inclusions within the table visible to the naked eye, but not significantly detracting from the diamond’s appearance. The visibility might depend on the observer’s experience or lighting conditions.
- BT3 (Black Table 3) : Represents obvious black inclusions within the table that are easily seen with the naked eye, potentially affecting the diamond’s aesthetic appeal and value.
- NA (Not Applicable) : Used for diamonds where the black table grading does not apply, possibly due to the diamond’s cut or lack of table facet, such as in some fancy shapes.
- NO BIT (No Black In Table) : Applies to diamonds with significant black inclusions within the table, severely impacting the stone’s appearance and desirability. This grade indicates the most pronounced level of black table characteristics.
When choosing a diamond with respect to black table characteristics, keep in mind the following:
- Aim for Higher Grades : If clarity and a visually flawless appearance are priorities, seek diamonds graded BT0 or NV, as these will have no or negligible visible black inclusions within the table.
- Consider the Setting and Use : Certain settings or the intended use of the diamond might make black table characteristics less of a concern. For example, smaller diamonds set in a pavé might not require as stringent a black table grade as a solitaire engagement ring.
- Balance with Other Diamond Qualities : Evaluate the black table grade in conjunction with the diamond’s overall qualities, including cut, color, clarity, and carat weight. A diamond with higher grades in other areas might compensate for lower black table grades.
FAQ's
Diamonds with pronounced black table characteristics (BT2, BT3, NO BIT) are generally priced lower due to their impact on the diamond’s appearance. Diamonds graded BT0 or NV, indicating minimal to no visible black inclusions, typically command higher prices.
Black inclusions can appear in any diamond but might be more noticeable in diamonds with higher clarity grades, where other types of inclusions are minimal, making the black spots stand out more.
Not necessarily. The decision should be based on personal preference, the diamond’s intended use, and how noticeable the inclusions are in the context of the diamond’s overall appearance. In many cases, minor black inclusions do not significantly detract from a diamond’s beauty or brilliance.
Understanding the impact of black table characteristics on a diamond’s appearance allows buyers to make informed choices, balancing aesthetic preferences with budget considerations. By carefully evaluating black table grades and considering them alongside other quality factors, you can select a diamond that meets your standards for beauty and value, ensuring a purchase that brings lasting satisfaction. Start your diamond selection journey here !
