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CUT
The proportions, make and finish of a polished
diamond or the actual shape of the stone.
COLOUR
This may range from white to brown and is defined
by a standard nomenclature ("grading scale")
mostly ranging from D to M.
CLARITY
A stone's relative freedom from inclusions and
imperfections. Expressed in a fixed grading scale.
CARAT
Standard weight unit for gemstones; 1 carat =
.2 grams
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