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Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices
(AREA)
Abstract
The method of working the precious stones includes external control of semi-finished product before faceting, grinding of table, marking of girdle line, setting and polishing of faces and wedges of the bottom of semi-finished product, polishing of the table of semi-finished product, setting faces and wedges of the top of semi-finished product, their polishing, control of girdle height and final control of diamond. The polishing of table is performed after setting of the faces of the top, and then is conducted setting of basic and lower wedges of the top, setting of the wedges of the top of semi-finished product and inspection of the size of the table is carried out.
UA98095153A1998-09-301998-09-30method of working the precious stones
UA31601A
(en)