How much does a 3.00 to 4.99ct G SI2 lab grown emerald diamond cost?

As of October 2026, 3.00 to 4.99ct G SI2 lab grown emerald diamonds typically cost $927 CAD to $2,922 CAD, with a median price of $1,673 CAD. There are currently 5 diamonds matching this specification available across retailers.

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

About 22% of these diamonds are available at multiple retailers, with an average price spread of 92%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct G SI2 Lab Grown Emerald

Quick answer

As of October 2026, there are 5 lab grown emerald diamonds with G color and SI2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $927 CAD to $2,922 CAD, with a median of $1,673 CAD. At least 24 retailers stock this exact specification, and 22% of the stones appear at more than one of them, with an average price spread of 92%. Half of all listings fall between $306 CAD and $781 CAD per carat. The same specification in natural form lists at a median of about $22,437 CAD per carat. Over the last 30 days the median price moved +15.9% and the number of listings moved +8.1%.

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. 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

$704 CAD

Highest Price

$6,760 CAD

Average Price

$2,139 CAD

Market Intelligence

Retailers Selling

Cross Retailer %

21.9%

Price Spread

91.5%

30-Day Price Trend

+15.9%

30-Day Supply Change

+8.1%

Volatility (30d)

0.06

Price Range

Price per carat distribution across retailers

$371/ct

10th Percentile

$132

Median

$371

90th Percentile

$668

Score Distribution

15 diamonds scored across 4 quality tiers

Excellent

2 (13.3%)

Very Good

1 (6.7%)

Good

3 (20.0%)

Average

9 (60.0%)

Find Your Diamond

Search 5 G SI2 emerald diamonds and compare prices.

Search Diamonds

Consider Instead

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

H SI2H colour is visually identical to G to the naked eye

Save 22%

G I1I1 inclusions are not visible without magnification

Save 36%

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