The carat size is the unit of measurement used to indicate the weight of a diamond. Since 1913 carat weight has been measured compared to the metric system with one carat equaling 0.2 grams. Diamond carat size is measured up to three decimals and rounded to the nearest hundred.
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There is no linear link between the weight of the diamond (carat) and its price. As most rough diamonds that are mined are either too small or have an inferior quality to produce diamonds that are used in the jewelry market it can take up to one million rough diamonds to produce one single one carat diamond. Due to the rarity of larger , high quality diamonds a one carat diamond can often by 4 to 6 times the price of a half carat diamond.
Carat weight will be one of the most important factors that determine the price of your diamond. Below we listed some tips to consider when choosing which carat weight is right for you:
The image is an example of the carat scale not representing actual size of the diamonds (depending on actual screen size)
Our diamond education pages help you to understand the 4 C's of diamond quality so yo can choose your next diamond wisely.