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

As of October 2026, 3.00 to 4.99ct F SI2 lab grown emerald diamonds typically cost $689 NZD to $3,465 NZD, with a median price of $2,369 NZD. There are currently 11 diamonds matching this specification available across retailers.

Where can I find the best price on a F 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 F SI2 Lab Grown Emerald

Quick answer

As of October 2026, there are 11 lab grown emerald diamonds with F colour and SI2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $689 NZD to $3,465 NZD, with a median of $2,369 NZD. 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 $388 NZD and $990 NZD per carat. The same specification in natural form lists at a median of about $28,444 NZD 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

$568 NZD

Highest Price

$8,481 NZD

Average Price

$2,283 NZD

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

28 diamonds scored across 4 quality tiers

Excellent

6 (21.4%)

Very Good

1 (3.6%)

Good

7 (25.0%)

Average

14 (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