The diamond carat refers to the weight of the stone instead of the size. A carat (1.00ct) is divided into 100 points and weighs 0.20 grams. For example 25 point diamond is often referred to a quarter carat or 0.25ct.
Carat weight is often confused with size of a diamond but two diamonds of equal weight and shape can appear a completely different size based on the depth of the stone and the quality of the cut.
The term ‘carat’ comes from the historical use of carob seeds as a unit of measurement. Carob seeds were used due to their near uniform size and weight, creating a relatively accurate form of measurement.
Carat weight is one of the most important factors in determining the value of a diamond, however this does not mean that all equal carat weight stones are the same price. Other factors such as colour, clarity, cut and certification are also taken into consideration when determining the value of a diamond.
Although important, we recommend looking at the measurements of each diamond as this portrays a more accurate demonstration of the diamond size. This is particularly important with fancy shape diamonds. At Bow & Co Jewellery, we hand select each diamond ensuring that you get the best value diamonds. Contact us today to arrange an appointment to discuss picking your perfect diamond.
Use the below GIA guide to compare the sizes of different carat weights of diamonds. Please note diamond images are for reference only and may vary based on screen size.