Definitions for "Depth percentage"
The height of a gemstone, measured from the culet to the table, divided by the width of the gemstone. The depth percentage is critical to creating brilliance and fire in a diamond, and a gemstone with a depth percentage too low or too high will lack sparkle.
The depth of the diamond divided by the average width.
The quotient derived by dividing a diamond's width by its depth. This formula is critical in determining a diamond's brilliance.