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BOTTOM FACET [4 records]

Record 1 2007-01-19

English

Subject field(s)
  • Gemmology
  • Diamond Industry
OBS

Corners: The first 4 facets on the pavilion and the crown of a polished diamond; these facets are indexed at 90° to one another and form part of the main facets.

OBS

Crossworkers: establish the mains, crown and pavilion facets to specific angles and indices in two steps: 1. blocking the diamond by: establishing the initial 17 main facets, including the: - table; - 8 pavilion mains, to specific angles and indices: 4 corners; 4 pavilions; - 8 crown mains, to specific angles and indices: 4 corners; 4 bezels. 2. lapping the diamond ...

French

Domaine(s)
  • Gemmologie
  • Industrie diamantaire
OBS

Coin : Nom donné aux quatre facettes résultant de la taille en croix de la couronne ou de la culasse.

Spanish

Save record 1

Record 2 2004-10-05

English

Subject field(s)
  • Gemmology
  • Diamond Industry
DEF

A facet on the pavilion of a diamond.

CONT

Pavilion facets: All facets of any cut stone that are below the girdle, as contrasted with the crown facets that are above the girdle.

French

Domaine(s)
  • Gemmologie
  • Industrie diamantaire
DEF

Facette située au-dessous du rondiste d'un diamant taillé.

CONT

L'ouvrier peut alors donner la première facette de couronne en suivant le même processus que pour les facettes de culasse.

Spanish

Save record 2

Record 3 2004-07-05

English

Subject field(s)
  • Gemmology
  • Diamond Industry
DEF

A four-sided lozenge-shaped facet on the pavilion of the brilliant cut.

CONT

List the facets of a finished round brilliant shape (see Figure C/B 15): a) on the crown ... b) on the pavilion: - 8 pavilion mains, consisting of: 4 corners; 4 pavilions; - 16 pavilion halves; - culet ...

OBS

A gemmologist may not differentiate between the 4 corners and the 4 bezels on the crown, nor between the 4 corners and the 4 pavilions on the pavilion.

Key term(s)
  • bottom-main facet

French

Domaine(s)
  • Gemmologie
  • Industrie diamantaire
DEF

Facette à quatre côtés en forme de losange sur la culasse de la taille brillant.

CONT

À travers la table s'aperçoit la colette entourée de 8 pavillons.

OBS

8 facettes posées au brillantage sur les coins de culasse à partir du rondiste. [Leur pointe supérieure touche le rondiste, alors que leur pointe inférieure touche la colette.]

Spanish

Save record 3

Record 4 2004-07-05

English

Subject field(s)
  • Gemmology
  • Diamond Industry
DEF

A triangular facet located on the pavilion.

CONT

Pavilion halves: The 16 facets located on the pavilion; created during the brillianteering stage.

CONT

Brillianteers: - create the final fire and brilliance of a polished diamond by polishing the final 40 facets to correct angles and indices, including the: 8 stars; 16 crown halves; 16 pavilion halves; - may re-smooth the table.

French

Domaine(s)
  • Gemmologie
  • Industrie diamantaire
DEF

Facette triangulaire située en bordure de la culasse d'un diamant taille brillant.

OBS

haléfi : Petite facette taillée sur la couronne ou sur la culasse à partir du rondiste.

Spanish

Save record 4

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