Diamond Carat

Diamond Carat Charts

Carat weight can appear differently across different diamond shapes such as round brilliant, princess, pear, oval, cushion, marquise, emerald, radiant or heart. A diamond may have a higher carat weight without appearing larger and two diamonds of the same carat weight can vary in size if one is cut deeper than the other. In other words, it is important to note that carat weight does not necessarily denote size.


Sizes are shown for proportionality purposes. Images do not reflect actual carat size.

Tiffany & Co. Diamond Carat
Is a Higher Carat Weight Better

Is a Higher Carat Weight Better?

Taken by itself, carat weight does not determine a diamond’s value. For example, two one-carat stones can vary widely in price when clarity, color and cut are taken into consideration. When that is understood, it is clear that large diamonds of peerless quality are rare.

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—Mary Enright, model maker