How much does a 2.00 to 2.99ct J SI1 natural heart diamond cost?

As of October 2026, 2.00 to 2.99ct J SI1 natural heart diamonds typically cost £4,632 GBP to £21,151 GBP, with a median price of £8,998 GBP. There are currently 66 diamonds matching this specification available across retailers.

Where can I find the best price on a J SI1 heart diamond?

About 41% of these diamonds are available at multiple retailers, with an average price spread of 39%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct J SI1 Natural Heart

Quick answer

As of October 2026, there are 66 natural heart diamonds with J colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run £4,632 GBP to £21,151 GBP, with a median of £8,998 GBP. At least 49 retailers stock this exact specification, and 41% of the stones appear at more than one of them, with an average price spread of 39%. Half of all listings fall between £2,353 GBP and £3,463 GBP per carat. Over the last 30 days the median price moved -2.2% and the number of listings moved +19.8%.

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

£2,811 GBP

Highest Price

£35,197 GBP

Average Price

£11,447 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

41.0%

Price Spread

38.9%

30-Day Price Trend

-2.2%

30-Day Supply Change

+19.8%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$3,819/ct

10th Percentile

$2,603

Median

$3,819

90th Percentile

$6,002

Score Distribution

280 diamonds scored across 4 quality tiers

Excellent

23 (8.2%)

Very Good

45 (16.1%)

Good

28 (10.0%)

Average

184 (65.7%)

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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