How much does a 0.50 to 0.74ct D SI2 natural heart diamond cost?

As of November 2026, 0.50 to 0.74ct D SI2 natural heart diamonds typically cost €516 EUR to €1,518 EUR, with a median price of €792 EUR. There are currently 97 diamonds matching this specification available across retailers.

Where can I find the best price on a D SI2 heart diamond?

About 28% of these diamonds are available at multiple retailers, with an average price spread of 54%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct D SI2 Natural Heart

Quick answer

As of November 2026, there are 97 natural heart diamonds with D color and SI2 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run €516 EUR to €1,518 EUR, with a median of €792 EUR. At least 49 retailers stock this exact specification, and 28% of the stones appear at more than one of them, with an average price spread of 54%. Half of all listings fall between €931 EUR and €1,542 EUR per carat. Over the last 30 days the median price moved -1.5% and the number of listings moved -11.6%.

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

Available

Lowest Price

€358 EUR

Highest Price

€2,882 EUR

Average Price

€928 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

28.3%

Price Spread

53.6%

30-Day Price Trend

-1.5%

30-Day Supply Change

-11.6%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,272/ct

10th Percentile

$863

Median

$1,272

90th Percentile

$2,530

Score Distribution

318 diamonds scored across 4 quality tiers

Excellent

39 (12.3%)

Very Good

44 (13.8%)

Good

69 (21.7%)

Average

166 (52.2%)

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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