How much does a 0.20 to 0.49ct I VS2 natural cushion diamond cost?

As of October 2026, 0.20 to 0.49ct I VS2 natural cushion diamonds typically cost £199 GBP to £461 GBP, with a median price of £298 GBP. There are currently 52 diamonds matching this specification available across retailers.

Where can I find the best price on a I VS2 cushion diamond?

About 32% of these diamonds are available at multiple retailers, with an average price spread of 51%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct I VS2 Natural Cushion

Quick answer

As of October 2026, there are 52 natural cushion diamonds with I colour and VS2 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run £199 GBP to £461 GBP, with a median of £298 GBP. At least 9 retailers stock this exact specification, and 32% of the stones appear at more than one of them, with an average price spread of 51%. Half of all listings fall between £873 GBP and £1,370 GBP per carat. The same specification in lab grown form lists at a median of about £474 GBP per carat. Over the last 30 days the median price moved -2.5% and the number of listings moved +11.9%.

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

£136 GBP

Highest Price

£998 GBP

Average Price

£319 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

32.0%

Price Spread

50.5%

30-Day Price Trend

-2.5%

30-Day Supply Change

+11.9%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,307/ct

10th Percentile

$804

Median

$1,307

90th Percentile

$2,151

Score Distribution

137 diamonds scored across 4 quality tiers

Excellent

33 (24.1%)

Very Good

32 (23.4%)

Good

49 (35.8%)

Average

23 (16.8%)

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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