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Glittering Stones » About Diamond » Carat
Carat
Diamonds and Gemstones are weighed in metric carats. One carat diamond is equal to 0.2 grams weighing. The value of diamond increases with carat size, but two diamonds with equal weights can have different values depending upon the other three characteristics of diamonds Cut, Clarity and Color.
A fraction of Carat can make a difference in the cost of a diamond. In diamond industry, weigh is often measured to hundred thousandths of a carat and it is rounded to a hundredth of a carat. If a diamond weights greater than one carat, then it is expressed in terms of carats and decimals. (For instance a 1.08ct is described as “one point oh eight carats,” or “one oh eight”.)
The standard unit of weight for a diamond or gemstone, takes from the carob seed. The small seeds will have uniform weight and early gem traders use them as counterweights in balance scales. In 1913, United States adopted the modern metric carat equal to 0.2 grams system. Today in every corner of the world, one carat weighs the same.
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