Diamond carat weight

The carat is the unit of weight for a diamond.
The size of a diamond can increase its value and rarity, but is less important if it is not matched with a good grade of color and clarity, and cut with proper proportions. Two stones with the same carat weight may have a very different value depending on the other characteristics.

Image representing Bvlgari diamond. Image representing Bvlgari diamond. Image representing Bvlgari diamond.

Nevertheless, size does indeed contribute to increase the value of a diamond, as large stones are rarer than small ones. ​

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Diamond clarity
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Diamond colour
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Diamond cut
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Responsible sourcing