How much does a 1.00 to 1.49ct E FL lab grown round diamond cost?

As of October 2026, 1.00 to 1.49ct E FL lab grown round diamonds typically cost £170 GBP to £1,121 GBP, with a median price of £322 GBP. There are currently 298 diamonds matching this specification available across retailers.

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

About 60% of these diamonds are available at multiple retailers, with an average price spread of 100%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct E FL Lab Grown Round

Quick answer

As of October 2026, there are 298 lab grown round diamonds with E colour and FL clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £170 GBP to £1,121 GBP, with a median of £322 GBP. At least 43 retailers stock this exact specification, and 60% of the stones appear at more than one of them, with an average price spread of 100%. Half of all listings fall between £331 GBP and £784 GBP per carat. The same specification in natural form lists at a median of about £9,459 GBP per carat. Over the last 30 days the median price moved -2.7% and the number of listings moved +22.1%.

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

298

Lowest Price

£143 GBP

Highest Price

£3,228 GBP

Average Price

£477 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

59.8%

Price Spread

100.2%

30-Day Price Trend

-2.7%

30-Day Supply Change

+22.1%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$605/ct

10th Percentile

$272

Median

$605

90th Percentile

$1,475

Score Distribution

531 diamonds scored across 5 quality tiers

Exceptional

61 (11.5%)

Excellent

264 (49.7%)

Very Good

63 (11.9%)

Good

80 (15.1%)

Average

63 (11.9%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

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

Save 13%

E IFIF inclusions are not visible without magnification

Save 13%

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