How much does a 3.00 to 4.99ct E VS1 lab grown round diamond cost?

As of October 2026, 3.00 to 4.99ct E VS1 lab grown round diamonds typically cost £391 GBP to £2,968 GBP, with a median price of £743 GBP. There are currently 18,185 diamonds matching this specification available across retailers.

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

About 51% of these diamonds are available at multiple retailers, with an average price spread of 99%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct E VS1 Lab Grown Round

Quick answer

As of October 2026, there are 18,185 lab grown round diamonds with E colour and VS1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £391 GBP to £2,968 GBP, with a median of £743 GBP. At least 64 retailers stock this exact specification, and 51% of the stones appear at more than one of them, with an average price spread of 99%. Half of all listings fall between £189 GBP and £505 GBP per carat. The same specification in natural form lists at a median of about £21,450 GBP per carat. Over the last 30 days the median price moved +0.4% and the number of listings moved +15.7%.

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. Round lab grown stones in the index: 414 USD per carat, -5.0% 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

18,185

Lowest Price

£251 GBP

Highest Price

£6,945 GBP

Average Price

£1,219 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

50.9%

Price Spread

98.6%

30-Day Price Trend

+0.4%

30-Day Supply Change

+15.7%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$425/ct

10th Percentile

$180

Median

$425

90th Percentile

$986

Score Distribution

33.3K diamonds scored across 5 quality tiers

Exceptional

2 (0.0%)

Excellent

15,294 (45.9%)

Very Good

4,097 (12.3%)

Good

7,265 (21.8%)

Average

6,680 (20.0%)

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F VS1F colour is visually identical to E to the naked eye

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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