Main Facets The first sixteen facets to be ground onto rough diamonds, apart from the table and culet, also the main pavilion facets (the first eight on the pavilion).
Mauve A colour description used for certain pinkish purple diamonds.
...
Main Facets - The large crown and pavilion facets of a brilliant-cut diamond or other gemstone; on step-cut stones, the center row of facets on the pavilion.
main facets See pavilion mains and bezel mains.
make See proportions.
top of page ▲ ...
8 lower main facets
16 lower girdle facets
Simplified varieties of the brilliant cut are ...
Pavilion Main Facets
There are Eight Pavilion Main Facets. These are long Diamond shaped (or Kite Shaped) Facets that go from the very bottom of the Diamond and point upwards towards the Girdle.
Culet ...
Pavilion Main Facets
The eight facets found on the pavilion of a round brilliant diamond.
Pavilion Depth Percentage ...
Faceting: To facet a round brilliant, the "blocker" or "lapper" will cut the first 18 main facets, then a "brillianteer" will cut and polish the remaining 40 facets.
The diamond is actually something of a triangular Old Mine cut, but rather than having 8 main facets it has 9, along with 9 pavilion main facets corresponding.
It has 4 main facets on the pavilion together with a culet. The crown features four main facets and a table facet. These stones were square or rectangular in shape and are the predecessors of the Emerald Cut and the Square Cut ...
crown angle
The angle at which the main facets of a diamond's crown instersect with the plane of its girdle
culet
The small facet that forms the base of a brilliant cut diamond or gemstone and prevents it from being chipped ...
In the graphic below "B" = bezel facets, "M" = main facets, "S" = star facets, and "T" = table. ID indicates the "12 o'clock position" for the index gear. (On the left is the pavilion cutting diagram, and on the right the crown cutting diagram). ...
Kite shaped facets also known as top main facets present on the crown of a diamond.
Blemish
Imperfections present on surface of diamond.
Double brilliant cut
Have 105 facets, it is a brilliant cut with horizontal separated main facets.
Double refraction
The property into separating one light ray into two.
Faceting is done in two steps: during blocking, the table, culet, bezel and pavilion main facets are cut; afterward, the star, upper girdle and lower girdle facets are added.
Next, bruting grinds away the edges, providing the outline shape (for example, heart, oval or round) for the gem. Faceting is then done in two steps: during blocking, the table, culet, bezel and pavilion main facets are cut; afterward, the star, ...
 See also: Facet, Facets, Diamond, Shape, Cut
  
|
RSS
