Diamond carat

Diamond carat (weight)

The size of your diamond is measured in Carat weight. The carat weight measures the mass of a diamond.

You can use the table opposite as an approximate guide to what sizes different carat weights are in millimetres.

From 0.20cts upwards we can help find the perfect balance between size, quality and price.

Diamond Carat Origin

The meaning of the word carat comes from Mediterranean region, where civilization has its roots, carob trees have flourished there since ancient times. It is against the seeds of these trees that diamonds were once weighed. One carob seed equals one modern carat - the word we use today to describe the weight of diamonds.

In the Far East, diamonds were weighed against grains of rice, and the term grainer was coined. Today, in many of the world's diamond districts, dealers still quantify the weight of diamonds in grainers. A four-grainer diamond equals one diamond carat. Since 1913, diamonds have been weighed against the metric system.

1 carat (ct.) = .2 grams = .007 ounces

Diamonds are weighed to three decimal points and then rounded to the nearest hundredth. Diamonds under one carat are usually described in points. The price per carat increases with carat weight, since larger diamonds are both rarer and more desirable for use as gemstones.