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

As of October 2026, 3.00 to 4.99ct E SI1 lab grown emerald diamonds typically cost $741 CAD to $4,373 CAD, with a median price of $1,700 CAD. There are currently 116 diamonds matching this specification available across retailers.

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

About 21% of these diamonds are available at multiple retailers, with an average price spread of 113%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct E SI1 Lab Grown Emerald

Quick answer

As of October 2026, there are 116 lab grown emerald diamonds with E color and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $741 CAD to $4,373 CAD, with a median of $1,700 CAD. At least 35 retailers stock this exact specification, and 21% of the stones appear at more than one of them, with an average price spread of 113%. Half of all listings fall between $320 CAD and $928 CAD per carat. The same specification in natural form lists at a median of about $26,098 CAD per carat. Over the last 30 days the median price moved +15.1% and the number of listings moved +6.2%.

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

116

Lowest Price

$414 CAD

Highest Price

$9,601 CAD

Average Price

$2,225 CAD

Market Intelligence

Retailers Selling

Cross Retailer %

20.5%

Price Spread

113.4%

30-Day Price Trend

+15.1%

30-Day Supply Change

+6.2%

Volatility (30d)

0.05

Price Range

Price per carat distribution across retailers

$383/ct

10th Percentile

$148

Median

$383

90th Percentile

$1,102

Score Distribution

426 diamonds scored across 4 quality tiers

Excellent

62 (14.6%)

Very Good

30 (7.0%)

Good

49 (11.5%)

Average

285 (66.9%)

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Consider Instead

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

F SI1F colour is visually identical to E to the naked eye

Save 4%

E SI2SI2 inclusions are not visible without magnification

Save 27%

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