How much does a 3.00 to 4.99ct I VS1 natural cushion diamond cost?

As of November 2026, 3.00 to 4.99ct I VS1 natural cushion diamonds typically cost €23,072 EUR to €59,646 EUR, with a median price of €34,156 EUR. There are currently 134 diamonds matching this specification available across retailers.

Where can I find the best price on a I VS1 cushion diamond?

About 35% of these diamonds are available at multiple retailers, with an average price spread of 36%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct I VS1 Natural Cushion

Quick answer

As of November 2026, there are 134 natural cushion diamonds with I color and VS1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run €23,072 EUR to €59,646 EUR, with a median of €34,156 EUR. At least 60 retailers stock this exact specification, and 35% of the stones appear at more than one of them, with an average price spread of 36%. Half of all listings fall between €9,402 EUR and €13,468 EUR per carat. The same specification in lab grown form lists at a median of about €498 EUR per carat. Over the last 30 days the median price moved -2.6% and the number of listings moved +8.6%.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, September 2026: natural diamonds at 2,335 USD per carat and lab-grown at 443 USD per carat, a natural to lab ratio of 5.3 to 1. Cushion natural stones in the index: 2,948 USD per carat, +1.7% month on month. See the full index release

Figures come from current listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: November 2026

Available

134

Lowest Price

€11,956 EUR

Highest Price

€108,398 EUR

Average Price

€37,746 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

34.9%

Price Spread

36.3%

30-Day Price Trend

-2.6%

30-Day Supply Change

+8.6%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$12,528/ct

10th Percentile

$8,774

Median

$12,528

90th Percentile

$17,491

Score Distribution

276 diamonds scored across 4 quality tiers

Excellent

58 (21.0%)

Very Good

70 (25.4%)

Good

71 (25.7%)

Average

77 (27.9%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

J VS1J colour is visually identical to I to the naked eye

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Lab-Grown I VS1Same specifications, lab-grown origin

Save 95%

Related Specifications

D IF D VVS1 D VVS2 D VS1 D VS2 D SI1 E IF E VVS1 E VVS2 E VS1 E VS2 E SI1 F IF F VVS1 F VVS2 F VS1 F VS2 F SI1 G IF G VVS1 G VVS2 G VS1 G VS2 G SI1 H IF H VVS1 H VVS2 H VS1 H VS2 H SI1 I IF I VVS1 I VVS2 I VS1 I VS2 I SI1