A diamond’s weight is measured in what is known as a ‘carat’, which is a small unit of measurement equal to 200 milligrams. Carat is not a measure of a diamond’s size, since cutting a diamond to different proportions can affect its weight.

Beautiful sparkle is the result of a well-crafted cut. In fact, a high carat weight diamond with a poor cut may look smaller than a diamond with a smaller carat weight and a very good cut.

Diamond Carat Size

In order to determine how big a stone will look in reality, you need to be aware of the stone’s proportions in relation to the weight. For example, using the chart below as a guide, we can see that a well-cut 1 carat stone will be approximately 6.4mm wide, while a .50 carat stone will be about 5.2mm. A whole half a carat difference in weight only equates to a 1.2mm difference in diameter.

Diamond Carat Size Chart: Knowing the stone’s proportions in relation to the weight will help you estimate how big a stone will appear in reality.

Diamond Size and Carat Weight

The most important thing to remember when it comes to a diamond’s carat weight is that it is not the only factor that determines a diamond’s value. In other words, bigger does not necessarily mean better. The size of a diamond is proportional to its carat weight.

How Diamond Carat Weight Affects Price?

The price of a diamond rises in direct proportion to its carat weight. The bigger the carat size, the more significantly the price can rise. This is because larger diamonds are more difficult to find than tiny diamonds, hence they are worth much more.

Diamond Carat Weight Affecting Price: As a diamond’s carat weight increases, the price of the diamond increases considerably.