Polished Girdle
Polished Girdle Describes the girdle of a diamond that has been fully polished smooth and clear around the entire perimeter.
Admin DCLA
Polish Grade
Qualitative analysis of the overall surface condition of a diamond. The quality of polish is determined by the care put in by a polisher when finishing a diamond, and is important to the brilliance and scintillation given off by a diamond. The polish grade of a diamond is a qualitative assessment of the overall surface condition of … Read more
Point
In the diamond industry, a point is a unit of weight used to measure diamonds and other gemstones. One point is equal to one hundredth (1/100) of a carat, or 0.01 carats.
Plotting Diagram or Plot
Diagram of the approximate relative size, location, and type of internal inclusions and external blemishes of a diamond. A plotting diagram is often used for identifying a particular diamond.
Pitted Facet
A pitted facet is a diamond facet that contains multiple tiny surface pits, giving it a rough or uneven texture.
Pit
Type of diamond blemish that appears as a tiny opening or indentation on the surface of a diamond. Large pits are called cavities. Pits affect the polish grade of a diamond.
Pinpoints
Pinpoints Very tiny diamond crystal inclusions Very tiny diamond crystal inclusions that are too small in size to distinguish their individual shapes.
Pink Diamond
A pink diamond is a rare and highly sought-after coloured diamond that exhibits a natural pink body colour.
Phosphorescence
Phosphorescence is a rare but fascinating phenomenon observed in some diamonds, where the diamond continues to glow in the dark for a brief period after the light source is removed.
Pear Cut
The pear cut, also known as the teardrop cut, is a popular and elegant diamond shape that combines the round brilliance of a brilliant cut with the graceful tapering of a marquise.