GIA Diamonds and Diamond Grading Final
200 - Actual Exam Questions With Reviewed
100% Correct Detailed Answers
Guaranteed Pass!!
1. What is another term for crystal lattice? - ANSWER Crystal structure
2. What type are most natural diamonds? - ANSWER Type Lla
3. What is a smooth, flat break in a crystal parallel to a cleavage plane? -
ANSWER Cleavage
4. What is a flat, triangular, twinned diamond crystal? - ANSWER Macle
5. What types of point defects are found in diamonds? - ANSWER Intrinsic
defect and extrinsic defects
6. What influences light absorption, resulting in bodycolor? - ANSWER
Color center
7. What trace element can cause a violet color in diamonds? - ANSWER
Hydrogen-related defects
,8. How does the energy emitted by a gem compare to the energy it absorbs? -
ANSWER Lower
9. What type of light combines all the colors in the visible spectrum? -
ANSWER White light
10.What is the most common cause of yellow color in diamonds? - ANSWER
Nitrogen defects
11.What controls light path length within a diamond? - ANSWER Cutting
12.What term describes a gemstone's surface in reflected light? - ANSWER
Luster
13.What describes the flashes of spectral colors seen in a polished diamond? -
ANSWER Fire
14.What was the main goal of research in developing the GIA Cut Grading
System? - ANSWER Determine which proportion combinations create
the most attractive light performance
15.What best describes the angle of incidence? - ANSWER Measured btwn
the normal and the reflected light
, 16.What process splits diamond rough along its cleavage plane? - ANSWER
Cleaving
17.What do cutters evaluate to determine when to use a scaife for coning? -
ANSWER Strain
18.What made true round-shaped diamonds possible? - ANSWER Bruting
19.What was the prototype of the modern round brilliant cut? - ANSWER
Old European cut
20.What does a dop do? - ANSWER Holds/secures a diamond in place
21.What does HPHT stand for? - ANSWER High pressure, high temperature
22.What rough form does NOT appear in natural diamonds - ANSWER
Cuboctahedrons
23.What diamond type can be created by the HPHT method? - ANSWER
Type 1b
24.What diamonds have strain pattern and intensity similar to natural
diamonds? - ANSWER CVD lab-grown diamonds
200 - Actual Exam Questions With Reviewed
100% Correct Detailed Answers
Guaranteed Pass!!
1. What is another term for crystal lattice? - ANSWER Crystal structure
2. What type are most natural diamonds? - ANSWER Type Lla
3. What is a smooth, flat break in a crystal parallel to a cleavage plane? -
ANSWER Cleavage
4. What is a flat, triangular, twinned diamond crystal? - ANSWER Macle
5. What types of point defects are found in diamonds? - ANSWER Intrinsic
defect and extrinsic defects
6. What influences light absorption, resulting in bodycolor? - ANSWER
Color center
7. What trace element can cause a violet color in diamonds? - ANSWER
Hydrogen-related defects
,8. How does the energy emitted by a gem compare to the energy it absorbs? -
ANSWER Lower
9. What type of light combines all the colors in the visible spectrum? -
ANSWER White light
10.What is the most common cause of yellow color in diamonds? - ANSWER
Nitrogen defects
11.What controls light path length within a diamond? - ANSWER Cutting
12.What term describes a gemstone's surface in reflected light? - ANSWER
Luster
13.What describes the flashes of spectral colors seen in a polished diamond? -
ANSWER Fire
14.What was the main goal of research in developing the GIA Cut Grading
System? - ANSWER Determine which proportion combinations create
the most attractive light performance
15.What best describes the angle of incidence? - ANSWER Measured btwn
the normal and the reflected light
, 16.What process splits diamond rough along its cleavage plane? - ANSWER
Cleaving
17.What do cutters evaluate to determine when to use a scaife for coning? -
ANSWER Strain
18.What made true round-shaped diamonds possible? - ANSWER Bruting
19.What was the prototype of the modern round brilliant cut? - ANSWER
Old European cut
20.What does a dop do? - ANSWER Holds/secures a diamond in place
21.What does HPHT stand for? - ANSWER High pressure, high temperature
22.What rough form does NOT appear in natural diamonds - ANSWER
Cuboctahedrons
23.What diamond type can be created by the HPHT method? - ANSWER
Type 1b
24.What diamonds have strain pattern and intensity similar to natural
diamonds? - ANSWER CVD lab-grown diamonds
