How much does a 0.20 to 0.49ct I IF natural heart diamond cost?

As of October 2026, 0.20 to 0.49ct I IF natural heart diamonds typically cost $579 AUD to $1,373 AUD, with a median price of $1,246 AUD. There are currently 3 diamonds matching this specification available across retailers.

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

About 50% of these diamonds are available at multiple retailers, with an average price spread of 18%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct I IF Natural Heart

Quick answer

As of October 2026, there are 3 natural heart diamonds with I colour and IF clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run $579 AUD to $1,373 AUD, with a median of $1,246 AUD. At least 8 retailers stock this exact specification, and 50% of the stones appear at more than one of them, with an average price spread of 18%. Half of all listings fall between $2,420 AUD and $2,890 AUD per carat.

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

Lowest Price

$495 AUD

Highest Price

$1,808 AUD

Average Price

$1,058 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

50.0%

Price Spread

17.8%

Price Range

Price per carat distribution across retailers

$1,850/ct

10th Percentile

$1,320

Median

$1,850

90th Percentile

$2,158

Score Distribution

13 diamonds scored across 3 quality tiers

Excellent

3 (23.1%)

Good

2 (15.4%)

Average

8 (61.5%)

Find Your Diamond

Search 3 I IF heart diamonds and compare prices.

Search Diamonds

Consider Instead

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

J IFJ colour is visually identical to I to the naked eye

Save 23%

I VVS1VVS1 inclusions are not visible without magnification

Save 7%

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