How much does a 2.00 to 2.99ct G SI2 natural heart diamond cost?

As of October 2026, 2.00 to 2.99ct G SI2 natural heart diamonds typically cost $6,408 AUD to $34,275 AUD, with a median price of $12,820 AUD. There are currently 192 diamonds matching this specification available across retailers.

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

About 37% of these diamonds are available at multiple retailers, with an average price spread of 58%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct G SI2 Natural Heart

Quick answer

As of October 2026, there are 192 natural heart diamonds with G colour and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $6,408 AUD to $34,275 AUD, with a median of $12,820 AUD. At least 52 retailers stock this exact specification, and 37% of the stones appear at more than one of them, with an average price spread of 58%. Half of all listings fall between $5,029 AUD and $8,705 AUD per carat. The same specification in lab grown form lists at a median of about $1,472 AUD per carat. Over the last 30 days the median price moved +0.1% and the number of listings moved +11.1%.

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. Heart natural stones in the index: 2,374 USD per carat, +9.8% 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

192

Lowest Price

$4,664 AUD

Highest Price

$84,718 AUD

Average Price

$17,149 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

37.2%

Price Spread

57.6%

30-Day Price Trend

+0.1%

30-Day Supply Change

+11.1%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$4,486/ct

10th Percentile

$2,545

Median

$4,486

90th Percentile

$8,024

Score Distribution

482 diamonds scored across 4 quality tiers

Excellent

123 (25.5%)

Very Good

110 (22.8%)

Good

80 (16.6%)

Average

169 (35.1%)

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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

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Lab-Grown G SI2Same specifications, lab-grown origin

Save 88%

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