METHOD FOR WORKING DIAMONDS INTO BRILLIANTS Russian patent published in 2002 - IPC

FIELD: jewelry. SUBSTANCE: method involves sawing, turning, polishing, grinding and faceting diamonds. Working is performed by providing interaction between two diamond pieces through crossing at an angle of 10-90 deg the axes of rotation of diamond pieces arranged in parallel planes; changing direction of feeding of one diamond piece to another diamond piece in plane normal to mentioned planes; oscillating one diamond piece relative to another diamond piece along bisector of smaller adjacent angle of crossed axes. EFFECT: increased efficiency in working raw diamond and high quality of worked diamonds. 2 dwg _