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The Four C's - The characteristics that determine the quality of
a diamond.
CUT - The fire and lustre of a diamond is only revealed
by skilled cutting of the raw material, through the arrangement
and proportion of its facets.
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| Round Brilliant |
Princess Cut |
Marquise |
Pear |
Oval |
Heart |
Emerald Cut |
COLOUR - Diamond colour is graded from D Colourless to Z
Fancy Colour.
| D |
E |
F |
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
Q |
R |
S-Z |
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CLARITY -Every diamond is unique, each bearing natures fingerprints;
other minerals, dry cracks with liquid or gaseous inclusions. The
less visible inclusions the more rare the stone.
| FL - IF |
VVS1 - VVS2 |
VS1 - VS2 |
SI1 - SI2 |
I1 |
I2 |
I3 |
(FL Flawless, IF Internally Flawless, VVS1 very very slight inclusions,
VS very slight inclusions, SI slight inclusions)
CARAT WEIGHT -Diamonds are sized by Carat Weight. 1 Carat
= 100 points. A diamond is priced on a per carat basis according
to weight and size. Rarity increases with size and a 1 Carat diamond
will cost more than twice the price of a 1/2 Carat diamond.
1 ct
(100 pts) |
3/4 ct
(75 pts) |
1/2 ct
(50 pts) |
1/3 ct
(33 pts) |
1/4 ct
(25 pts) |
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