Question 1

Majority of Diamond cutting & +B106:B130polishing centres in India are in&#10;A)mumbai&#10;B)surat&#10;C)jaipur&#10;D)delhi

Accepted Answer

Surat is renowned for its diamond cutting and polishing industry, handling a majority of the world's diamond cutting and polishing work.

Question 2

The ideal diamoneter of a 01 carat diamond is&#10;A)5 mm&#10;B)5.5 mm&#10;C)6 mm&#10;D)6.5 mm

Accepted Answer

6.5 mm&#10;

Question 3

Diamond Sight Holders go to which City to view DTC sight&#10;A)london&#10;B)dubai&#10;C)johannesburg&#10;D)gabron

Accepted Answer

Diamond Trading Company (DTC) holds its diamond sights in Gaborone, Botswana, where sight holders go to view and purchase rough diamonds.

Question 4

The ability of a mineral to resist scratch from other mineral is called as&#10;A)scratch&#10;B)hardness&#10;C)toughness&#10;D)resistance

Accepted Answer

The ability of a mineral to resist scratches from other minerals is referred to as its hardness. This property is measured on the Mohs scale, which ranks minerals based on their ability to scratch or be scratched by others.

Question 5

The hardness of diamond is&#10;A)high&#10;B)extremely high&#10;C)medium&#10;D)extremely low

Accepted Answer

Diamond is known for its extreme hardness, which is the highest level of hardness of any natural material.

Question 6

Rainbow colors from a diamonds crown are called as&#10;A)fire&#10;B)spectrum&#10;C)dispersion&#10;D)rainbow

Accepted Answer

The answer of Rainbow colors from a diamonds crown are...

Question 7

Which Diamond Simulant shows doubling and strong dispersion&#10;A)zircon&#10;B)diamond&#10;C)synthetic moissanite&#10;D)strontiam titanate

Accepted Answer

Synthetic moissanite is known for showing doubling of back facets when viewed through the crown, a characteristic not seen in diamond. It also has strong dispersion, which gives it more fire than diamond.

Question 8

Diamond Simulant are lower in which property in comparison to diamond&#10;A)hardness&#10;B)dispersion&#10;C)sg&#10;D)ri

Accepted Answer

Diamond simulants are lower in hardness compared to diamonds. Diamonds are the hardest known natural material, while simulants like cubic zirconia or moissanite are not as hard.

Question 9

Diamond & Graphite are made up from&#10;A)boron&#10;B)carbon&#10;C)nitrogen&#10;D)oxygen

Accepted Answer

Diamond and graphite are both allotropes of carbon, meaning they are made from the same element, carbon, but have different structures and properties.

Question 10

Diamond is formed beneath the earths surface at what temperature&#10;A)150? to 180?&#10;B)1500? to 1800?&#10;C)15000? to 18000?&#10;D)none of the above

Accepted Answer

Diamonds are formed beneath the Earth's surface at high temperatures and pressures, typically ranging from 1500°C to 1800°C.

Question 11

Which word is included in the diamond 4Cs&#10;A)conditioner&#10;B)cream&#10;C)carat&#10;D)coolant

Accepted Answer

The answer of Which word is included in the diamond...

Question 12

Which word is included in the diamond 4Cs&#10;A)cucumber&#10;B)carton&#10;C)cardboard&#10;D)cut

Accepted Answer

The answer of Which word is included in the diamond...

Question 13

Which word is included in the diamond 4Cs&#10;A)cutter&#10;B)card&#10;C)colour&#10;D)crate

Accepted Answer

The answer of Which word is included in the diamond...

Question 14

Which word is included in the diamond 4Cs&#10;A)candy&#10;B)cash&#10;C)clarity&#10;D)cover

Accepted Answer

The answer of Which word is included in the diamond...

Question 15

Color Grading of Diamond starts from alphabet&#10;A)a&#10;B)b&#10;C)c&#10;D)d

Accepted Answer

The answer of Color Grading of Diamond starts from alphabet&#10;A)a&#10;B)b&#10;C)c&#10;D)d...

Question 16

The last color grade of a diamond is denoted by alphabet&#10;A)l&#10;B)z&#10;C)k&#10;D)d

Accepted Answer

The answer of The last color grade of a diamond...

Question 17

Highest Clarity Grade of a diamond is&#10;A)imperfect&#10;B)very slightly included&#10;C)slightly included&#10;D)flawless

Accepted Answer

The answer of Highest Clarity Grade of a diamond is&#10;A)imperfect&#10;B)very...

Question 18

The Lowest Clarity Grade of a Diamond Is&#10;A)i 3&#10;B)vs&#10;C)si&#10;D)if

Accepted Answer

The answer of The Lowest Clarity Grade of a Diamond...

Question 19

Off Centre Culet is factor of&#10;A)cut&#10;B)polish&#10;C)colour&#10;D)symmetry

Accepted Answer

The answer of Off Centre Culet is factor of&#10;A)cut&#10;B)polish&#10;C)colour&#10;D)symmetry...

Question 20

Girdle not Round is a factor of&#10;A)rough&#10;B)polish&#10;C)symmetry&#10;D)shape

Accepted Answer

The answer of Girdle not Round is a factor of&#10;A)rough&#10;B)polish&#10;C)symmetry&#10;D)shape...

Question 21

Open culet is a factor of&#10;A)damage&#10;B)polish&#10;C)symmetry&#10;D)carat

Accepted Answer

The answer of Open culet is a factor of&#10;A)damage&#10;B)polish&#10;C)symmetry&#10;D)carat...

Question 22

Symmetry in diamond is important for&#10;A)maximum brilliance&#10;B)maximum heat&#10;C)maximum hardness&#10;D)maximum colour

Accepted Answer

The answer of Symmetry in diamond is important for&#10;A)maximum brilliance&#10;B)maximum...

Question 23

Presence of Boron Gives what colour to Diamond&#10;A)black&#10;B)yellow&#10;C)blue&#10;D)brown

Accepted Answer

The answer of Presence of Boron Gives what colour to...

Question 24

Inclusion plotting in the softwares is&#10;A)always perfect&#10;B)needs to be checked manually&#10;C)not reliable&#10;D)none of the above

Accepted Answer

The answer of Inclusion plotting in the softwares is&#10;A)always perfect&#10;B)needs...

Question 25

If immersion technology is not used, how can it be seen inside a coated diamond&#10;A)by coating&#10;B)by opening window&#10;C)by simple mapping&#10;D)none of the above

Accepted Answer

The answer of If immersion technology is not used, how...

Deck 5: Diamond Cutting, Polishing, and Grading