How much does a 3.00 to 4.99ct I SI1 lab grown emerald diamond cost?

As of October 2026, 3.00 to 4.99ct I SI1 lab grown emerald diamonds typically cost $883 CAD to $6,976 CAD, with a median price of $3,019 CAD. There are currently 6 diamonds matching this specification available across retailers.

Where can I find the best price on a I SI1 emerald diamond?

About 12% of these diamonds are available at multiple retailers, with an average price spread of 109%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct I SI1 Lab Grown Emerald

Quick answer

As of October 2026, there are 6 lab grown emerald diamonds with I color and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $883 CAD to $6,976 CAD, with a median of $3,019 CAD. At least 24 retailers stock this exact specification, and 12% of the stones appear at more than one of them, with an average price spread of 109%. Half of all listings fall between $472 CAD and $1,274 CAD per carat. The same specification in natural form lists at a median of about $16,873 CAD per carat. Over the last 30 days the median price moved +7.5% and the number of listings moved +11.2%.

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

$787 CAD

Highest Price

$8,072 CAD

Average Price

$3,320 CAD

Market Intelligence

Retailers Selling

Cross Retailer %

11.9%

Price Spread

109.2%

30-Day Price Trend

+7.5%

30-Day Supply Change

+11.2%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$524/ct

10th Percentile

$284

Median

$524

90th Percentile

$1,233

Score Distribution

13 diamonds scored across 4 quality tiers

Excellent

1 (7.7%)

Very Good

2 (15.4%)

Good

4 (30.8%)

Average

6 (46.2%)

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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