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This Refers to
the angles and
proportions of a
diamond.
Nature determines so
much about a
diamond, but it
takes a master
cutter to reveal the
stone’s true
brilliance, fire and
ultimate beauty.
Based on scientific
formulas, a well-cut
diamond will
internally reflect
light from one
mirror-like facet to
another and disperse
and reflect it
through the top of
the stone. This
results in a display
of brilliance and
fire, thereby
placing well-cut
diamonds higher on
the Diamond Quality
Aspect than deep or
shallow-cut
diamonds. Diamonds
that are cut too
deep or too shallow
lose or leak light
through the side or
bottom, resulting in
less brilliance and
ultimately, value.

Cut also refers to
shape—round, square,
pear, or heart for
example. Since a
round diamond is
symmetrical and
capable of
reflecting nearly
all the light that
enters, it is the
most brilliant of
all diamond shapes
and follows specific
proportional
guidelines. Ask a
jeweller to find out
more about these
guidelines.
Non-round shapes,
also known as “fancy
shapes,” will have
their own guidelines
to be considered
well-cut.
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