How much does a 3.00 to 4.99ct F I1 lab grown emerald diamond cost?

As of October 2026, 3.00 to 4.99ct F I1 lab grown emerald diamonds typically cost £315 GBP to £568 GBP, with a median price of £441 GBP. There are currently 1 diamonds matching this specification available across retailers.

Where can I find the best price on a F I1 emerald diamond?

About 50% of these diamonds are available at multiple retailers, with an average price spread of 67%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct F I1 Lab Grown Emerald

Quick answer

As of October 2026, there are 1 lab grown emerald diamonds with F colour and I1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £315 GBP to £568 GBP, with a median of £441 GBP. At least 11 retailers stock this exact specification, and 50% of the stones appear at more than one of them, with an average price spread of 67%. Half of all listings fall between £114 GBP and £240 GBP per carat.

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

3.08ct Emerald F I1, IGI, grade B+, from £283 GBP

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. Emerald lab grown stones in the index: 451 USD per carat, -8.3% 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

£283 GBP

Highest Price

£1,378 GBP

Average Price

£441 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

50.0%

Price Spread

66.9%

Price Range

Price per carat distribution across retailers

$252/ct

10th Percentile

$137

Median

$252

90th Percentile

$488

Score Distribution

2 diamonds scored across 2 quality tiers

Very Good

1 (50.0%)

Average

1 (50.0%)

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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