How much does a 5.00ct+ natural heart diamond cost?

As of October 2026, 5.00ct+ natural heart diamonds range from $344 AUD/ct to $61,330 AUD/ct, with an average of $12,405 AUD/ct.

What is the price range for 5.00ct+ natural heart diamonds?

As of October 2026, the lowest listed price is $344 AUD per carat and the highest is $61,330 AUD per carat. The spread reflects differences in colour, clarity, cut and retailer pricing.

How many 5.00ct+ natural heart diamonds are available?

There are 820 active natural heart listings between 5.00ct+ across 100+ retailers in the Carat Hunter index, refreshed daily.

How much can I save by comparing retailers for a 5.00ct+ natural heart diamond?

Approximately 51% of these diamonds are available at multiple retailers, with an average price spread of 239% between the cheapest and most expensive listing of the same stone.

Natural Heart Diamonds, 5.00ct+

Quick answer

As of October 2026, there are 820 listings of natural heart diamonds between 5.00ct+ from at least 21 retailers. A typical stone in this range costs about $74,428 AUD in total, or $12,405 AUD per carat, and most listings sit between $344 AUD and $61,330 AUD per carat. About 51% of these stones are listed by more than one retailer, and the same stone is priced 239% apart on average between its cheapest and most expensive seller. The same shape in lab grown form runs about $987 AUD per carat, roughly 92% less.

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

Browse 820 diamonds in Explorer

Price Distribution

LowHigh

Colour	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
N+	$8,639	$7,099	$4,940	$8,207	$16K	$8,352	$6,052	$8,102

Price by Colour & Clarity

Average price per carat for 5.00ct+ natural heart diamonds by colour and clarity grade.

Colour	Clarity	Listings	Avg Price/ct	Spread
N+	I	62	$11,533 AUD	54%
N+	IF	16	$12,297 AUD	68%
N+	SI1	130	$11,888 AUD	55%
N+	SI2	94	$8,614 AUD	68%
N+	VS1	185	$11,681 AUD	175%
N+	VS2	200	$22,990 AUD	104%
N+	VVS1	31	$10,105 AUD	16%
N+	VVS2	102	$7,031 AUD	1087%

Explore by Specification

D FL D IF D VVS1 D VVS2 D VS1 D VS2 D SI1 D SI2 E FL E IF E VVS1 E VVS2 E VS1 E VS2 E SI1 E SI2 F FL F IF F VVS1 F VVS2 F VS1 F VS2 F SI1 F SI2 G FL G IF G VVS1 G VVS2 G VS1 G VS2 G SI1 G SI2 H FL H IF H VVS1 H VVS2 H VS1 H VS2 H SI1 H SI2 I FL I IF I VVS1 I VVS2 I VS1 I VS2 I SI1 I SI2 J FL J IF J VVS1 J VVS2 J VS1 J VS2 J SI1 J SI2