Polished Girdle
Polished Girdle Describes the girdle of a diamond that has been fully polished smooth and clear around the entire perimeter.
Glossary
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.
Pitted Facet
A pitted facet is a diamond facet that contains multiple tiny surface pits, giving it a rough or uneven texture.
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.
Pinpoints
Pinpoints Very tiny diamond crystal inclusions Very tiny diamond crystal inclusions that are too small in size to distinguish their individual shapes.
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.
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.
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.
Pink Diamond
A pink diamond is a rare and highly sought-after coloured diamond that exhibits a natural pink body colour.