How much does a 3.00 to 4.99ct J SI2 natural emerald diamond cost?

As of October 2026, 3.00 to 4.99ct J SI2 natural emerald diamonds typically cost $15,258 USD to $76,299 USD, with a median price of $37,174 USD. There are currently 23 diamonds matching this specification available across retailers.

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

About 21% of these diamonds are available at multiple retailers, with an average price spread of 42%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct J SI2 Natural Emerald

Quick answer

As of October 2026, there are 23 natural emerald diamonds with J color and SI2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $15,258 USD to $76,299 USD, with a median of $37,174 USD. At least 42 retailers stock this exact specification, and 21% of the stones appear at more than one of them, with an average price spread of 42%. Half of all listings fall between $4,651 USD and $7,033 USD per carat. The same specification in lab grown form lists at a median of about $1,757 USD per carat. Over the last 30 days the median price moved -0.0% and the number of listings moved +8.7%.

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 natural stones in the index: 2,278 USD per carat, +6.2% 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

$12,169 USD

Highest Price

$103,151 USD

Average Price

$41,782 USD

Market Intelligence

Retailers Selling

Cross Retailer %

21.4%

Price Spread

41.8%

30-Day Price Trend

-0.0%

30-Day Supply Change

+8.7%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$5,704/ct

10th Percentile

$4,106

Median

$5,704

90th Percentile

$9,599

Score Distribution

139 diamonds scored across 4 quality tiers

Excellent

7 (5.0%)

Very Good

17 (12.2%)

Good

22 (15.8%)

Average

93 (66.9%)

Find Your Diamond

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Consider Instead

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

Lab-Grown J SI2Same specifications, lab-grown origin

Save 69%

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