How much does a 1.00 to 1.49ct G FL natural heart diamond cost?

As of November 2026, 1.00 to 1.49ct G FL natural heart diamonds typically cost $4,403 AUD to $5,917 AUD, with a median price of $5,351 AUD. There are currently 1 diamonds matching this specification available across retailers.

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

About 6% of these diamonds are available at multiple retailers, with an average price spread of 26%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct G FL Natural Heart

Quick answer

As of November 2026, there are 1 natural heart diamonds with G colour and FL clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $4,403 AUD to $5,917 AUD, with a median of $5,351 AUD. At least 27 retailers stock this exact specification, and 6% of the stones appear at more than one of them, with an average price spread of 26%. Half of all listings fall between $5,282 AUD and $6,728 AUD per carat. The same specification in lab grown form lists at a median of about $676 AUD per carat. Over the last 30 days the median price moved -1.5% and the number of listings moved +0.1%.

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

1.40ct Heart G FL, GIA, grade A, from $5,217 AUD

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: November 2026

Available

Lowest Price

$4,281 AUD

Highest Price

$8,347 AUD

Average Price

$5,402 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

5.9%

Price Spread

25.7%

30-Day Price Trend

-1.5%

30-Day Supply Change

+0.1%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$3,949/ct

10th Percentile

$3,353

Median

$3,949

90th Percentile

$5,484

Score Distribution

19 diamonds scored across 3 quality tiers

Excellent

1 (5.3%)

Very Good

8 (42.1%)

Good

10 (52.6%)

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Consider Instead

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

H FLH colour is visually identical to G to the naked eye

Save 27%

Lab-Grown G FLSame 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