GIA Diamonds and Diamond Grading Assignment 8 exam with correct answers.

GIA Diamonds and Diamond Grading
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Assignment 8 exam with correct answers
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Why |polish |"windows" |on |the |surface |of |frosted |diamond |rough?

A. |Retain |weight

B. |View |inclusions

C. |Improve |brilliance

D. |Remove |growth |marks |- |VERIFIED |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 |- |VERIFIED |ANSWER✔✔-A. |Laser |processing



What |enabled |the |mass |production |of |faceted |diamonds?

A. |Cast-iron |polishing |wheel

B. |Motorized |diamond |saw

C. |Coated |iron |wires

D. |Diamond |dust |- |VERIFIED |ANSWER✔✔-B. |Motorized |diamond |saw



What |splitting |method |does |not |rely |on |crystal |directions?

A. |Cleaving

B. |Polishing

C. |Laser |sawing

D. |Blade |sawing |- |VERIFIED |ANSWER✔✔-C. |Laser |sawing