How much does a 2.00 to 2.99ct J I1 natural heart diamond cost?

As of October 2026, 2.00 to 2.99ct J I1 natural heart diamonds typically cost £5,147 GBP to £17,700 GBP, with a median price of £10,252 GBP. There are currently 5 diamonds matching this specification available across retailers.

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

About 5% of these diamonds are available at multiple retailers, with an average price spread of 33%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct J I1 Natural Heart

Quick answer

As of October 2026, there are 5 natural heart diamonds with J colour and I1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run £5,147 GBP to £17,700 GBP, with a median of £10,252 GBP. At least 12 retailers stock this exact specification, and 5% of the stones appear at more than one of them, with an average price spread of 33%. Half of all listings fall between £2,574 GBP and £3,624 GBP per carat. Over the last 30 days the median price moved -2.9% and the number of listings moved +4.0%.

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

£1,661 GBP

Highest Price

£30,297 GBP

Average Price

£10,734 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

5.4%

Price Spread

32.6%

30-Day Price Trend

-2.9%

30-Day Supply Change

+4.0%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$4,310/ct

10th Percentile

$2,763

Median

$4,310

90th Percentile

$5,017

Score Distribution

136 diamonds scored across 4 quality tiers

Excellent

2 (1.5%)

Very Good

4 (2.9%)

Good

2 (1.5%)

Average

128 (94.1%)

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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