How much does a 0.50 to 0.74ct D IF lab grown heart diamond cost?

As of October 2026, 0.50 to 0.74ct D IF lab grown heart diamonds typically cost €181 EUR to €930 EUR, with a median price of €283 EUR. There are currently 51 diamonds matching this specification available across retailers.

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

About 67% of these diamonds are available at multiple retailers, with an average price spread of 114%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct D IF Lab Grown Heart

Quick answer

As of October 2026, there are 51 lab grown heart diamonds with D colour and IF clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run €181 EUR to €930 EUR, with a median of €283 EUR. At least 31 retailers stock this exact specification, and 67% of the stones appear at more than one of them, with an average price spread of 114%. Half of all listings fall between €406 EUR and €1,224 EUR per carat. The same specification in natural form lists at a median of about €2,015 EUR per carat. Over the last 30 days the median price moved -17.3% and the number of listings moved +82.0%.

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 lab grown stones in the index: 421 USD per carat, -1.8% 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

€170 EUR

Highest Price

€2,506 EUR

Average Price

€431 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

67.4%

Price Spread

114.3%

30-Day Price Trend

-17.3%

30-Day Supply Change

+82.0%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$797/ct

10th Percentile

$379

Median

$797

90th Percentile

$1,846

Score Distribution

107 diamonds scored across 5 quality tiers

Exceptional

2 (1.9%)

Excellent

59 (55.1%)

Very Good

11 (10.3%)

Good

19 (17.8%)

Average

16 (15.0%)

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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