Diamonds

Front 1

The inner source of a diamonds beauty is the combination of chemistry and

Back 1

Structure

Front 2

Diamond is made of almost pure

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Carbon

Front 3

Clarity can be defined as a diamonds freedom from blemishes and

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Inclusions

Front 4

A diamond with a natural blue tint is classified as

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Fancy color

Front 5

Used descriptively the term cut refers to a diamonds shape and faceting

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Style

Front 6

The four C's are primary factors in determining a diamonds

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Value

Front 7

Diamond is a natural

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Mineral

Front 8

Cut quality is determined by proportions, symmetry, and

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Polish

Front 9

On common US measurements, one carat equals about

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7/1000

Front 10

One metric carat equals exactly

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1/5 gram or .200 gram

Front 11

Which C is almost always the top factor in a diamonds beauty

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Cut

Front 12

A trade term for diamonds weighing less than .20 carat is

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Melee

Front 13

The carat is subdivided into 100 equal parts called

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Points

Front 14

In the diamond industry weight fractions are used

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Approximately

Front 15

Diamond wholesalers use the term grain to describe diamonds with weights that are multiples of

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.25 carat

.75 would be three grainer

Front 16

Which color is among the most common for diamonds

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Light brown

Front 17

Top models of the electronic scales used by diamond professionals can weigh to

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1/10 carat

Front 18

In the US, diamond weight is usually rounded to the nearest

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1/100 carat

Front 19

Differences in rarity are reflected in diamonds

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Per carat prices

Front 20

One point equals what fraction of a carat

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1/100 or .01 carat

Front 21

Carat weight is usually written in decimal numbers, such as

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1.27 carat

Front 22

About how many carats does it take to equal 1 ounce

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142

Front 23

One carat equals

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.200 gram

Front 24

A quarter carat diamond might weigh from

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23-29 points

Front 25

Melee is a trade term for diamonds that weigh less than

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20 points

Front 26

In the trade, a diamond weighing from 45 to 49 points might be called

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A light half

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A diamond weighing from .95 to .99 might be called

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Light carat

Front 28

Electronic gem scales and very accurate jewelers balances can weigh diamonds to

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1/10 point

Front 29

Under FTC guidelines, diamond weight representations must be precise to

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1/2 point

Front 30

If a diamond weighs 1.47 cts and costs $3,675 is per-carat price is

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$2500/ct

Front 31

The combined weight of all the diamonds in an item of jewelry is the

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Total weight