| There are various criteria you need to
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| | naked eye. The numbers mean that the
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| consider when buying a piece of diamond
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| | diamonds can be graded more precisely, as
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| jewellery like diamond engagement rings
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| | each number represents levels within each
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| for example. These qualities are the four
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| | grade. The 1s will have fewer or smaller
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| C's - the cut, the clarity, the colour
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| | inclusions than the 2s.
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| and the carat.
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| | Diamonds with no inclusions are referred
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| The cut of the diamond refers to the
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| | to as flawless and are extremely rare.
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| angles and proportions that diamond
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| | Traditionally diamond engagement rings
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| cutters create in the stone to polish it
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| | and wedding rings use clear diamonds. The
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| and maximise its brilliance and is the
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| | closer a diamond is to being completely
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| only one of the diamond's defining
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| | colourless, the more valuable it becomes.
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| qualities that is not created by nature.
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| | Diamond colour is judged on a scale
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| A classic round cut diamond is cut to 58
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| | established by the Gemological Institute
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| facets. Diamonds can also be marquise,
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| | of America (GIA) and the range is from D
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| heart, emerald, princess, pear and oval
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| | (colourless and therefore extremely
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| shaped. A poorly cut diamond, either cut
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| | valuable).
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| too deep or too shallow, will allow the
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| | A diamond's value is not judged by its
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| light to escape and it will not sparkle
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| | size but by its weight. A diamond's
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| as effectively.
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| | weight is measured in carats, and one
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| The clarity of a diamond is judged by the
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| | carat equals one fifth of a gram, or 200
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| quantity, size, position, colour, release
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| | milligrams. The word comes from the plant
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| and shape of its inclusions. The fewer
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| | carob - in ancient civilisations carob
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| the inclusions, the greater the quality
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| | seeds were used to compare weight with
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| and corresponding value of a diamond.
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| | diamonds.
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| The range of clarity is divided into
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| | Not all diamonds of the same carat will
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| grades. IF (Internally Flawless) means
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| | cost the same - the quality of the other
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| the diamond has no visible
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| | three c's, the cut, clarity and colour,
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| characteristics under magnification, or
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| | all have to be the same also.
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| that no flaws are visible. VVS means that
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| | The fact that a diamond is large should
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| the diamond is Very, Very Slightly
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| | only be considered in terms of the other
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| Included, VS1/2 means that minor
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| | c's - a large stone of poor cut, clarity
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| characteristics are visible under
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| | and colour will not be worth more because
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| magnification, SI1/SI2 means that the
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| | of its size. A large stone of excellent
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| diamond is slightly included, or that
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| | cut, clarity and colour though will be
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| characteristics are visible under
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| | worth more than a smaller diamond are
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| magnification, and I1, I2 and I3 mean
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| | more rare.
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| that characteristics are visible with the
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