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

As of September 2026, 3.00 to 4.99ct H SI2 natural emerald diamonds typically cost $24,725 AUD to $96,595 AUD, with a median price of $46,290 AUD. There are currently 62 diamonds matching this specification available across retailers.

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

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3.00 to 4.99ct H SI2 Natural Emerald

Quick answer

As of September 2026, there are 62 natural emerald diamonds with H colour and SI2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $24,725 AUD to $96,595 AUD, with a median of $46,290 AUD. At least 41 retailers stock this exact specification. Half of all listings fall between $9,978 AUD and $18,034 AUD per carat. The same specification in lab grown form lists at a median of about $512 AUD per carat.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Emerald natural stones in the index: 2,166 USD per carat, -6.6% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

Lowest Price

$15,655 AUD

Highest Price

$194,867 AUD

Average Price

$53,008 AUD

Market Intelligence

Retailers Selling

Price Spread

55.2%

Price Range

Price per carat distribution across retailers

$10,459/ct

10th Percentile

$5,745

Median

$10,459

90th Percentile

$14,724

Score Distribution

62 diamonds scored across 4 quality tiers

Excellent

10 (16.1%)

Very Good

17 (27.4%)

Good

15 (24.2%)

Average

20 (32.3%)

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Consider Instead

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

Lab-Grown H SI2Same specifications, lab-grown origin

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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