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CUT | CLARITY | COLOR | CARAT
How to Determine Carat Weight
Of the 4C's, carat weight is the simplest factor used to determine
the value of a diamond. As with all precious gems, the weight
of a diamond is expressed in carats. One carat equals one-fifth
of a gram, or 1/142 of an ounce. One carat is divided into
100 points, so a diamond weighing 3/4 carat has 75 points or .75
carats.
As diamonds increase in value, their price per carat usually increases
geometrically, not arithmetically. Thus, a two-carat diamond
will usually be more than double the price of a one-carat diamond
of the same quality.
Diamonds are accurately weighed when they are loose or free from
any mounting on a calibrated scale.
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