tailler en croix et en huit

OBS: Création des 8 facettes principales de culasse : 4 coins, 4 pavillons; marquage du rondiste; création des 8 facettes principales de couronne : 4 coins, 4 bezels; vérification de la symétrie des facettes de couronne et de culasse.

CONT: Describe the traditional polishing sequence: a) crosswork the diamond: - follow company policies and cut specifications for the angles and indices; - block the diamond: create the table; mark the girdle for the pavilion; create 8 pavilion mains: 4 corners; 4 pavilion facets; re-mark the girdle for the crown; create 8 crown mains: 4 corners; 4 bezels; ensure the crown and the pavilion facets are in alignment; - lap the diamond: ... b) brillianteer the diamond: ...