How much does a 2.00 to 2.99ct I SI2 lab grown emerald diamond cost?

As of October 2026, 2.00 to 2.99ct I SI2 lab grown emerald diamonds typically cost £1,028 GBP to £6,020 GBP, with a median price of £1,431 GBP. There are currently 5 diamonds matching this specification available across retailers.

Where can I find the best price on a I SI2 emerald diamond?

About 28% of these diamonds are available at multiple retailers, with an average price spread of 62%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct I SI2 Lab Grown Emerald

Quick answer

As of October 2026, there are 5 lab grown emerald diamonds with I colour and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run £1,028 GBP to £6,020 GBP, with a median of £1,431 GBP. At least 14 retailers stock this exact specification, and 28% of the stones appear at more than one of them, with an average price spread of 62%. Half of all listings fall between £936 GBP and £1,557 GBP per carat. The same specification in natural form lists at a median of about £4,490 GBP per carat. Over the last 30 days the median price moved -2.1% and the number of listings moved +4.8%.

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. 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

£652 GBP

Highest Price

£10,561 GBP

Average Price

£2,826 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

27.8%

Price Spread

62.3%

30-Day Price Trend

-2.1%

30-Day Supply Change

+4.8%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$1,329/ct

10th Percentile

$932

Median

$1,329

90th Percentile

$3,563

Score Distribution

6 diamonds scored across 3 quality tiers

Excellent

1 (16.7%)

Very Good

4 (66.7%)

Average

1 (16.7%)

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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