Price per carat

Royal Blue Sapphire Heated Madagascar 2.54ct - 8x6mm

Sapphire price per carat

What sapphire actually sells for, worked out from the 83 stones in our stock. Every figure is a real stone you can buy, not a market estimate.

At a glance

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Sapphire 3–5 ct · $1,890 per carat

Typical price
$1,359 per carat
Most stones
$203–$2,730 per carat
Based on
83 stones in stock
Updated
19 October 2026

Sapphire price by carat size

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In our stock, larger sapphire costs more per carat — a big clean stone is rarer than two small ones.

Carat sizeTypical / ctMost stones / ctIn stock
Less than 2.5 ct$816$203–$1,59022 stones
2.5–3 ct$1,720$1,510–$2,43014 stones
3–5 ct$1,890$1,160–$2,73026 stones
More than 5 ct$1,030$243–$1,66021 stones

“Most stones” is the middle half of our stock in that size, so one exceptional stone cannot skew it.

What moves the price

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Two stones of the same weight can differ several times in price. Colour comes first, its saturation and evenness, then clarity, the quality of the cut, origin and treatment. Every listing states each of these, so you can compare like with like.

Read the sapphire guide →

From our stock

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Common questions

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How much does sapphire cost per carat?

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Across the 83 sapphire stones in our stock, the typical price is around $1,359 per carat, with most stones between $203 and $2,730 per carat. Colour, clarity, cut and size move a stone within that range.

How much is a sapphire under 2.5 ct?

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Sapphire of under 2.5 ct in our stock is typically $816 per carat; the middle half of the 22 stones we hold sit between $203 and $1,590 per carat.

How much is a 2.5–3 ct sapphire?

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Sapphire of 2.5–3 ct in our stock is typically $1,720 per carat; the middle half of the 14 stones we hold sit between $1,510 and $2,430 per carat.

How much is a 3–5 ct sapphire?

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Sapphire of 3–5 ct in our stock is typically $1,890 per carat; the middle half of the 26 stones we hold sit between $1,160 and $2,730 per carat.

How much is a sapphire over 5 ct?

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Sapphire of over 5 ct in our stock is typically $1,030 per carat; the middle half of the 21 stones we hold sit between $243 and $1,660 per carat.

From the journal

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From the journal