What is a Carat?

Diamonds are popular for jewelry such asthat is equivalent to slightly more than seven
diamond rings, eternity rings and necklaces, butthousandths (0.007) of one ounce. Diamond
many people are unaware of the factors thatweights are measured with the accuracy of a
contribute to the wide price range that diamondsthousandth of a carat but are given a weight that
fall into. The price of a diamond is derived fromis rounded to the nearest hundredth. Diamonds
an evaluation of its color, cut, clarity and caratweighing over one carat are designated as a
weight. The less color that is visible in a diamond,decimal number up to the hundredths, such as
the more valuable it is deemed to be. Some"1.23 carats." Such a weight would be expressed
people perceive diamonds to be colorless,as "one carat and twenty three points." A
however many diamonds appear to have adiamond weighing less than one carat is also
normal brownish or yellow tint. A diamond's cut,represented as a decimal, such as 0.72, in which
which is a significant factor in a diamond's brilliance,case it would be said to weigh "seventy two
is related not just to the shape of the diamond,points."
but its polish and proportions as well asThough a diamond's value is determined by its
symmetry. Clarity is a relative measure of aweight in carats, a two carat diamond would cost
diamond's blemishes and internal characteristicsmore than two times the amount that an
(inclusions), where a diamond with less irregularitiesequivalent one carat diamond would cost.
and inclusions will exhibit more brilliance, thusDiamonds with adequate quality to be used in
affecting a higher purchase price. Carat weightjewelry are rare finds, with larger diamonds being
refers to the actual weight of a diamond,even less commonly discovered than smaller ones.
measured in carats, which is abbreviated "ct."As economics demonstrates, the more limited the
While each of the above factors contributes tosupply a valuable product, the higher cost it will
the determined value of a diamond, here weclaim. As such, there is no defined measurable
examine what is meant by the fourth factor inrate representing a diamond's cost per carat.
determining a diamond's value, carat weight.Rather, larger diamonds fetch an exponentially
The carat weight is simply how much a diamondhigher price per carat than the more common
weighs, but it must be measured in an industrysmaller ones.
specific way. A carat is a metric measurement