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

As of September 2026, 2.00 to 2.99ct D SI1 natural heart diamonds typically cost £7,884 GBP to £18,944 GBP, with a median price of £12,196 GBP. There are currently 164 diamonds matching this specification available across retailers.

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

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2.00 to 2.99ct D SI1 Natural Heart

Quick answer

As of September 2026, there are 164 natural heart diamonds with D colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run £7,884 GBP to £18,944 GBP, with a median of £12,196 GBP. At least 49 retailers stock this exact specification. Half of all listings fall between £4,397 GBP and £6,620 GBP per carat. The same specification in lab grown form lists at a median of about £306 GBP per carat.

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

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

164

Lowest Price

£5,392 GBP

Highest Price

£67,879 GBP

Average Price

£13,359 GBP

Market Intelligence

Retailers Selling

Price Spread

42.2%

Price Range

Price per carat distribution across retailers

$7,100/ct

10th Percentile

$5,248

Median

$7,100

90th Percentile

$10,326

Score Distribution

164 diamonds scored across 4 quality tiers

Excellent

16 (9.8%)

Very Good

44 (26.8%)

Good

54 (32.9%)

Average

50 (30.5%)

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Lab-Grown D SI1Same specifications, lab-grown origin

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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