GIA Diamonds and Diamond Grading:
Assignment 8 Questionnaire with
Solutions
Why polish "windows" on the surface of frosted diamond rough?
A. Retain weight
B. View inclusions
C. Improve brilliance
D. Remove growth marks - Answer-B. View inclusions
What improved the precision and efficiency of diamond cutting in the 1980s?
A. Laser processing
B. Motorized sawing
C. Automated cleaving
D. Mechanized bruting - Answer-A. Laser processing
What enabled the mass production of faceted diamonds?
A. Cast-iron polishing wheel
B. Motorized diamond saw
Assignment 8 Questionnaire with
Solutions
Why polish "windows" on the surface of frosted diamond rough?
A. Retain weight
B. View inclusions
C. Improve brilliance
D. Remove growth marks - Answer-B. View inclusions
What improved the precision and efficiency of diamond cutting in the 1980s?
A. Laser processing
B. Motorized sawing
C. Automated cleaving
D. Mechanized bruting - Answer-A. Laser processing
What enabled the mass production of faceted diamonds?
A. Cast-iron polishing wheel
B. Motorized diamond saw