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

As of October 2026, 3.00 to 4.99ct G SI2 natural emerald diamonds typically cost $49,974 AUD to $168,205 AUD, with a median price of $82,828 AUD. There are currently 13 diamonds matching this specification available across retailers.

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

About 12% of these diamonds are available at multiple retailers, with an average price spread of 31%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct G SI2 Natural Emerald

Quick answer

As of October 2026, there are 13 natural emerald diamonds with G colour and SI2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $49,974 AUD to $168,205 AUD, with a median of $82,828 AUD. At least 36 retailers stock this exact specification, and 12% of the stones appear at more than one of them, with an average price spread of 31%. Half of all listings fall between $17,347 AUD and $23,447 AUD per carat. The same specification in lab grown form lists at a median of about $480 AUD per carat. Over the last 30 days the median price moved +0.7% and the number of listings moved +1.6%.

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

$25,468 AUD

Highest Price

$198,977 AUD

Average Price

$96,253 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

11.8%

Price Spread

30.7%

30-Day Price Trend

+0.7%

30-Day Supply Change

+1.6%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$13,973/ct

10th Percentile

$10,029

Median

$13,973

90th Percentile

$22,706

Score Distribution

95 diamonds scored across 4 quality tiers

Excellent

12 (12.6%)

Very Good

3 (3.2%)

Good

7 (7.4%)

Average

73 (76.8%)

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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 27%

Lab-Grown G SI2Same specifications, lab-grown origin

Save 97%

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