Price per carat

Baby Pink Tourmaline 5.84ct - 12x10mm

Tourmaline price per carat

What tourmaline actually sells for, worked out from the 1599 stones in our stock. Every figure is a real stone you can buy, not a market estimate.

At a glance

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Tourmaline 2.5–6 ct · $201 per carat

Typical price
$218 per carat
Most stones
$115–$444 per carat
Based on
1599 stones in stock
Updated
19 October 2026

Tourmaline price by carat size

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In our stock, size moves the price per carat only a little — colour, clarity and cut matter more.

Carat sizeTypical / ctMost stones / ctIn stock
Less than 2.5 ct$245$168–$389356 stones
2.5–6 ct$201$129–$332492 stones
6–10 ct$182$115–$267337 stones
More than 10 ct$243$160–$444414 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 tourmaline guide →

From our stock

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Common questions

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How much does tourmaline cost per carat?

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Across the 1599 tourmaline stones in our stock, the typical price is around $218 per carat, with most stones between $115 and $444 per carat. Colour, clarity, cut and size move a stone within that range.

How much is a tourmaline under 2.5 ct?

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Tourmaline of under 2.5 ct in our stock is typically $245 per carat; the middle half of the 356 stones we hold sit between $168 and $389 per carat.

How much is a 2.5–6 ct tourmaline?

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Tourmaline of 2.5–6 ct in our stock is typically $201 per carat; the middle half of the 492 stones we hold sit between $129 and $332 per carat.

How much is a 6–10 ct tourmaline?

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Tourmaline of 6–10 ct in our stock is typically $182 per carat; the middle half of the 337 stones we hold sit between $115 and $267 per carat.

How much is a tourmaline over 10 ct?

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Tourmaline of over 10 ct in our stock is typically $243 per carat; the middle half of the 414 stones we hold sit between $160 and $444 per carat.

From the journal

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From the journal