GIA Diamond Grading and Identification

Question 1

Which tool is primarily used for grading a diamond’s clarity?

Accepted Answer

10x loupe

Answer

Refractometer

Answer

Colorimeter

Answer

Micrometer

Question 2

What does a grading report from GIA provide?

Accepted Answer

Diamond's quality characteristics

Answer

Mining location

Answer

Retail price

Answer

Setting details

Question 3

Which feature helps identify a diamond under magnification?

Accepted Answer

Inclusions and blemishes

Answer

Carat weight

Answer

Table size

Answer

Certificate number

Question 4

What is fluorescence in diamonds?

Accepted Answer

UV light reflection

Answer

Thermal emission

Answer

Blemish removal

Answer

Hardness measurement

Question 5

Which characteristic is evaluated by measuring table and depth percentages?

Accepted Answer

Cut

Answer

Clarity

Answer

Color

Answer

Carat

Question 6

What type of chart is used to map inclusions on a grading report?

Accepted Answer

Diamond plot

Answer

Grading scale

Answer

Color grid

Answer

Weight graph