How much does a 0.20 to 0.49ct E VVS1 lab grown radiant diamond cost?

As of October 2026, 0.20 to 0.49ct E VVS1 lab grown radiant diamonds typically cost £78 GBP to £286 GBP, with a median price of £151 GBP. There are currently 71 diamonds matching this specification available across retailers.

Where can I find the best price on a E VVS1 radiant diamond?

About 66% of these diamonds are available at multiple retailers, with an average price spread of 128%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct E VVS1 Lab Grown Radiant

Quick answer

As of October 2026, there are 71 lab grown radiant diamonds with E colour and VVS1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run £78 GBP to £286 GBP, with a median of £151 GBP. At least 15 retailers stock this exact specification, and 66% of the stones appear at more than one of them, with an average price spread of 128%. Half of all listings fall between £251 GBP and £795 GBP per carat. The same specification in natural form lists at a median of about £1,571 GBP per carat. Over the last 30 days the median price moved -13.6% and the number of listings moved +131.6%.

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. Radiant lab grown stones in the index: 474 USD per carat, -2.1% 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

£63 GBP

Highest Price

£948 GBP

Average Price

£169 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

66.0%

Price Spread

128.0%

30-Day Price Trend

-13.6%

30-Day Supply Change

+131.6%

Volatility (30d)

0.06

Price Range

Price per carat distribution across retailers

$565/ct

10th Percentile

$291

Median

$565

90th Percentile

$1,362

Score Distribution

204 diamonds scored across 4 quality tiers

Excellent

84 (41.2%)

Very Good

29 (14.2%)

Good

58 (28.4%)

Average

33 (16.2%)

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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