How much does a 1.00 to 1.49ct E VS1 lab grown radiant diamond cost?

As of October 2026, 1.00 to 1.49ct E VS1 lab grown radiant diamonds typically cost £150 GBP to £665 GBP, with a median price of £393 GBP. There are currently 7,386 diamonds matching this specification available across retailers.

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

About 32% of these diamonds are available at multiple retailers, with an average price spread of 73%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct E VS1 Lab Grown Radiant

Quick answer

As of October 2026, there are 7,386 lab grown radiant diamonds with E colour and VS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £150 GBP to £665 GBP, with a median of £393 GBP. At least 56 retailers stock this exact specification, and 32% of the stones appear at more than one of them, with an average price spread of 73%. Half of all listings fall between £228 GBP and £499 GBP per carat. The same specification in natural form lists at a median of about £3,988 GBP per carat. Over the last 30 days the median price moved +12.8% and the number of listings moved +17.8%.

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

7,386

Lowest Price

£101 GBP

Highest Price

£1,790 GBP

Average Price

£409 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

32.2%

Price Spread

73.5%

30-Day Price Trend

+12.8%

30-Day Supply Change

+17.8%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$491/ct

10th Percentile

$194

Median

$491

90th Percentile

$987

Score Distribution

9.8K diamonds scored across 4 quality tiers

Excellent

2,199 (22.5%)

Very Good

2,102 (21.5%)

Good

4,354 (44.5%)

Average

1,124 (11.5%)

Find Your Diamond

Search 7,386 E VS1 radiant diamonds and compare prices.

Search Diamonds

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