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

As of November 2026, 5.00ct+ natural heart diamonds range from £180 GBP/ct to £32,157 GBP/ct, with an average of £6,217 GBP/ct.

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

As of November 2026, the lowest listed price is £180 GBP per carat and the highest is £32,157 GBP per carat. The spread reflects differences in colour, clarity, cut and retailer pricing.

How many 5.00ct+ natural heart diamonds are available?

There are 825 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 243% between the cheapest and most expensive listing of the same stone.

Natural Heart Diamonds, 5.00ct+

Quick answer

As of November 2026, there are 825 listings of natural heart diamonds between 5.00ct+ from at least 22 retailers. A typical stone in this range costs about £37,300 GBP in total, or £6,217 GBP per carat, and most listings sit between £180 GBP and £32,157 GBP per carat. About 51% of these stones are listed by more than one retailer, and the same stone is priced 243% apart on average between its cheapest and most expensive seller. The same shape in lab grown form runs about £556 GBP per carat, roughly 91% 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: November 2026

Browse 825 diamonds in Explorer

Price Distribution

LowHigh

Colour	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
N+	$8,639	$7,099	$4,906	$8,191	$14K	$8,420	$6,098	$8,098

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	£6,043 GBP	55%
N+	IF	18	£6,448 GBP	70%
N+	SI1	131	£6,284 GBP	64%
N+	SI2	93	£4,551 GBP	67%
N+	VS1	184	£6,113 GBP	174%
N+	VS2	204	£10,157 GBP	119%
N+	VVS1	31	£5,298 GBP	16%
N+	VVS2	102	£3,662 GBP	1089%

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