How many carats should a diamond be? Understanding diamond weight and pricing.

"Carat" is a term everyone is familiar with, but many mistakenly believe that the higher the carat, the higher the price in direct proportion. The reality is more complex, and if you understand this mechanism, you can save a lot of money.

**A carat is weight, not direct size**

A carat is a unit of measurement for a diamond's weight. The heavier the diamond, the larger it is and the higher the price. However, the price does not increase in a direct linear ratio. A 2-carat diamond of the same quality does not cost twice as much as a 1-carat diamond.

**Why are larger diamonds much more expensive?**

Because larger diamonds must come from larger, much rarer rough crystal stones. As the size increases, the rarity skyrockets, causing prices to jump in tiers—especially at round numbers like 1.00 carat or 2.00 carats, which are in high demand.

**Tips for getting the best value**

Try choosing a weight just below a round number, such as 0.90 carats instead of 1.00 carat, or 1.90 instead of 2.00. The visible size of the diamond's table is barely different, but the price is significantly lower. This is a way to get a large-looking diamond within a controlled budget. However, if you value a higher carat weight and your budget allows, you can simply choose what fits your budget.

Want to know which carat size suits your finger and budget? The Gems Heritage team is here to help.

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