How much does a 5.00ct+ J I1 natural heart diamond cost?

As of September 2026, 5.00ct+ J I1 natural heart diamonds typically cost HK$263,527 HKD to HK$617,820 HKD, with a median price of HK$418,947 HKD. There are currently 4 diamonds matching this specification available across retailers.

Where can I find the best price on a J I1 heart diamond?

About 20% of these diamonds are available at multiple retailers, with an average price spread of 11%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ J I1 Natural Heart

Quick answer

As of September 2026, there are 4 natural heart diamonds with J colour and I1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run HK$263,527 HKD to HK$617,820 HKD, with a median of HK$418,947 HKD. At least 4 retailers stock this exact specification, and 20% of the stones appear at more than one of them, with an average price spread of 11%. Half of all listings fall between HK$130,230 HKD and HK$146,267 HKD per carat.

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

5.02ct Heart J I1, GIA, score 70 of 100, from HK$223,447 HKD

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Heart natural stones in the index: 2,261 USD per carat, +1.7% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

Lowest Price

HK$223,447 HKD

Highest Price

HK$785,461 HKD

Average Price

HK$434,466 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

20.0%

Price Spread

11.3%

Price Range

Price per carat distribution across retailers

$18,072/ct

10th Percentile

$13,410

Median

$18,072

90th Percentile

$19,049

Score Distribution

4 diamonds scored across 2 quality tiers

Very Good

1 (25.0%)

Average

3 (75.0%)

Find Your Diamond

Search 4 J I1 heart diamonds and compare prices.

Search Diamonds

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