DCA DCA Diamond Cutting & Polish Techniques 2

Question 1

Which cutting style features long, rectangular facets arranged in parallel rows?

Accepted Answer

Step cut

Answer

Step cuts feature rows of parallel, rectangular facets that resemble the steps of a staircase, emphasizing clarity over brilliance.

Question 2

What is 'symmetry' as a grade category in diamond cutting?

Accepted Answer

How precisely the facets align and balance with each other

Answer

Symmetry refers to the exactness of the diamond's outline and the placement, shape, and alignment of its facets relative to one another.

Question 3

What is the 'fire' of a diamond caused by?

Accepted Answer

Dispersion of white light into spectral colors

Answer

Fire refers to the flashes of spectral color (rainbow colors) produced by a diamond's ability to disperse white light into its component wavelengths.

Question 4

In a round brilliant cut, what are 'kite-shaped' facets on the crown called?

Accepted Answer

Bezel facets

Answer

Bezel facets are the large kite-shaped facets on the crown of a round brilliant that surround the table.

Question 5

What cutting defect occurs when the culet is too large and appears as a dark circle when viewed from above?

Accepted Answer

Open or large culet

Answer

A large culet creates an 'open culet' effect that appears as a dark circle visible through the table when viewed face-up, which can reduce the diamond's appeal.

(DCA) Certified Diamond Council of America Diamond Specialist Practice Test

(DCA) Certified Diamond Council of America Diamond Specialist Practice Test

DCA DCA Diamond Cutting & Polish Techniques 2