- Pavilion Angle
- Pavilion Depth
- Pavilion Depth Percentage
- Pavilion Main Facets
- Pear Cut
Diamond cut or shaped into the outline of a tear-drop or a pear, with a rounded head tapering to a point.
- Pink Diamond
A coloured diamond with a natural pink body colour. Pink must be the predominant colour, but it may be modified by shades of purple, orange, and yellow. The colour in natural pink diamonds is created by irregular crystal structure. Some pink coloured diamonds with sufficient saturation fall into the valuable fancy pink colour category of diamonds.
- Pitted Facet
- Plotting Diagram or â€œPlotâ€
Term for one hundredth of a carat. For example, a fifteen-point diamond weighs 0.15 carats. It could also be called a fifteen “pointer”.
- Polish Grade
- Polish Lines
Lines left on the surface of the diamond which are visible under magnification, normally removed during the final diamond polishing process. Polish lines can affect the polish grade of the diamond.
- Polished Girdle
- Princess Cut
- Proportion Grade
Relations between the dimensions and angles of a finished diamond. Examples of specific proportions are table size, depth percentage, and crown angle. Proportions are extremely important to the beauty, brilliance, and life in a diamond. Click here to learn more about proportions on a diamond grading report.