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Diamond size explained

The weight of a diamond is expressed in carats. The word carat originated from the carob tree or Ceratonia siliqua. The tiny seeds of this tree are well known for their uniformity and consistent weight. Traditionally diamonds and gemstones were weighed against these seeds until the system was standardized, and one carat was fixed at 0.2 grams.

One carat is divided into 100 points. A diamond weighing one quarter of a carat can also be described as weighing 25 points or 0.25 carats. Points are generally not used to describe weights over one carat.

It is very important not to mistake carat weight as referring to the dimensions of a diamond. It refers to weight only.

Prices of diamonds are expressed as price per carat. So when we say that carat weight has the biggest impact on the price of the stone, it refers to the unit price per carat, and not just the whole price of the stone.

Example: Diamond “A” = 3 carat VVS1 Clarity J Color and costs $16,610 per carat. $16,610 x 3 = $49,830/stone

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