How much does a 3.00 to 4.99ct K VS1 natural round diamond cost?

As of November 6, 2026, 3.00 to 4.99ct K VS1 natural round diamonds typically cost £15,420 GBP to £40,228 GBP, with a median price of £23,749 GBP. There are currently 376 diamonds matching this specification available across retailers.

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

About 36% of these diamonds are available at multiple retailers, with an average price spread of 44%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct K VS1 Natural Round

Quick answer

As of November 6, 2026, there are 376 natural round diamonds with K colour and VS1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £15,420 GBP to £40,228 GBP, with a median of £23,749 GBP. Half of all listings fall between £5,755 GBP and £8,879 GBP per carat. The same specification in lab grown form lists at a median of about £202 GBP per carat. Over the last 30 days the median price moved -0.7% and the number of listings moved +9.4%.

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

Caratlytics Diamond Price Index, October 2026: natural diamonds at 2,202 USD per carat and lab-grown at 462 USD per carat, a natural to lab ratio of 4.8 to 1. Round natural stones in the index: 2,124 USD per carat, -6.9% month on month. See the full index release

Figures come from current listings across more than 125 retailers. The index is a monthly release.

Last updated: November 6, 2026

Available

376

Lowest Price

£9,466 GBP

Highest Price

£86,816 GBP

Average Price

£25,976 GBP

Market Intelligence

Cross Retailer %

36.2%

Price Spread

44.0%

30-Day Price Trend

-0.7%

30-Day Supply Change

+9.4%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$9,544/ct

10th Percentile

$6,383

Median

$9,544

90th Percentile

$14,244

Score Distribution

376 diamonds scored across 4 quality tiers

Excellent

98 (26.1%)

Very Good

83 (22.1%)

Good

66 (17.6%)

Average

129 (34.3%)

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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