Deck 2: Diamond Mapping and Polishing Specifications

Question 1

For mapping in Sarin software how is the diamond placed?

A)thick whitener quote
B)without whitener coating
C)light whitener coating
D)none of the above

Answer 1

without whitener coating

Question 2

After plan finalisation the planner

A)saves the plan in computer
B)takes a print out of the proposed plan and sticks on packet
C)hands packet to supervisor
D)all of the above

Answer 2

all of the above

Question 3

Planner has to keep in mind company policy of

A)maximising yield
B)maximising clarity
C)market trends
D)all of the above

Answer 3

all of the above

Question 4

After mapping a diamond in the planner machine

A)whitener is cleaned with acetone
B)diamond is washed
C)diamond is kept in the packet
D)none of the above

Question 5

A diamond can break if the planner does not take into considertaion

A)colour
B)coating
C)blemish
D)stress

Question 6

What should be the Whitner's proportion of mapping on rough diamonds

A)thick
B)thin
C)medium
D)only on half part of diamond

Question 7

What are the various technology available for scanning diamond through softwares

A)galaxy
B)m box
C)ig
D)all of the above

Question 8

What kind of diamond by size and value be checked by IG Technology

A)roughs with heavy inclusions
B)low color low clarity rough
C)valuable rough with less inclusions
D)small size rough

Question 9

What kind of diamond by size and value be checked by Mbox Technology

A)roughs with heavy inclusions
B)valuable rough with less inclusions
C)low color low clarity rough
D)small size rough

Question 10

What kind of diamond by size and value be checked by Galaxy Technology

A)small size rough
B)low color low clarity rough
C)roughs with heavy inclusions
D)valuable rough with less inclusions

Question 11

Which Technology requires opening of window, for scanning a diamond

A)galaxy
B)i g technology
C)m.box
D)none of the above

Question 12

The Galaxy QC and M box with IG technology are used to

A)plot the inclusions in side a rough diamond
B)no windowing is required
C)scan even heavy coated diamonds
D)all of the above

Question 13

In which diamond rough generally more trigons are found?

A)australian
B)syndicate
C)zimbabwean
D)indian

Question 14

Which countrys rough is found mostly with opaque coated layer?

A)australian
B)namibia
C)lisotho
D)sierra lone

Question 15

The crown height of a polished diamond is ………..

A)0.15
B)0.16
C)0.17
D)0.18

Question 16

The Pavillion depth of a polished diamond is ………….

A)0.41
B)0.42
C)0.43
D)0.44

Question 17

The Table size of polished diamond is ……………………

A)0.53
B)0.54
C)0.55
D)0.56

Question 18

The Total depth of polished ……………….

A)0.58
B)0.59
C)0.6
D)0.61

Question 19

The ideal girdle thickness of a diamond should be ………………..

A)0.09 - 1.0%
B)1-2%
C)2-3%
D)3-4%

Question 20

What is the ideal crown angle of a polished diamond…….

A)32.5
B)33.5
C)34.5
D)35.5

Question 21

How many facets are there in single cut diamond..?

A)16
B)17
C)16+1
D)17+1

Question 22

How many upper girdles are there in the Crown ?

A)8
B)16
C)32
D)12

Question 23

How many total facets are there in the Pavillion?

A)24
B)32
C)24+1
D)33

Question 24

What is the line that separates the top and bottom in a polished Diamond called?

A)crown
B)girdle
C)pavillion
D)culet

Question 25

Which is Symmetry Features in a polished diamond

A)off centre table
B)burn mark
C)scratch
D)natural skin