How much does a 5.00ct+ I VS1 natural cushion diamond cost?

As of October 2026, 5.00ct+ I VS1 natural cushion diamonds typically cost $50,371 USD to $174,784 USD, with a median price of $94,842 USD. There are currently 29 diamonds matching this specification available across retailers.

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

About 38% of these diamonds are available at multiple retailers, with an average price spread of 49%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ I VS1 Natural Cushion

Quick answer

As of October 2026, there are 29 natural cushion diamonds with I color and VS1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $50,371 USD to $174,784 USD, with a median of $94,842 USD. At least 43 retailers stock this exact specification, and 38% of the stones appear at more than one of them, with an average price spread of 49%. Half of all listings fall between $15,249 USD and $24,637 USD per carat. The same specification in lab grown form lists at a median of about $525 USD per carat. Over the last 30 days the median price moved +0.2% and the number of listings moved +10.9%.

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: October 2026

Available

Lowest Price

$39,669 USD

Highest Price

$369,132 USD

Average Price

$112,418 USD

Market Intelligence

Retailers Selling

Cross Retailer %

38.2%

Price Spread

48.6%

30-Day Price Trend

+0.2%

30-Day Supply Change

+10.9%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$19,320/ct

10th Percentile

$11,858

Median

$19,320

90th Percentile

$30,165

Score Distribution

52 diamonds scored across 4 quality tiers

Excellent

18 (34.6%)

Very Good

12 (23.1%)

Good

10 (19.2%)

Average

12 (23.1%)

Find Your Diamond

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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

Save 38%

Lab-Grown I VS1Same specifications, lab-grown origin

Save 97%

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