Break Facets or Girdle Facets - The 32 triangular facets that adjoin the girdle of a round brilliant-cut stone, 16 above and 16 below.
break facets See upper girdle facets and lower girdle facets.
brilliance The richness or intensity of reflections of white light in the face-up position.
Break Facets
The 32 triangular facets that adjoin the girdle of a round brilliant-cut stone, 16 above and 16 below. Also called upper- and lower-girdle facets, upper- and lower-break facets, top- and bottom-half facets, skew facets or cross facets.
Face (a) A term used in brillianteering for the entire group of facets that can be placed won a diamond without reposition it in the dop; vis., two star facets and four upper-break facets or four lower-break facets.
 See also: Reflection, Oval, Jewel, Carbon, Star facets
  
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