How much does a 0.50 to 0.74ct H IF lab grown round diamond cost?

As of November 2026, 0.50 to 0.74ct H IF lab grown round diamonds typically cost €130 EUR to €850 EUR, with a median price of €416 EUR. There are currently 4 diamonds matching this specification available across retailers.

Where can I find the best price on a H IF round diamond?

About 17% of these diamonds are available at multiple retailers, with an average price spread of 93%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct H IF Lab Grown Round

Quick answer

As of November 2026, there are 4 lab grown round diamonds with H color and IF clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run €130 EUR to €850 EUR, with a median of €416 EUR. At least 27 retailers stock this exact specification, and 17% of the stones appear at more than one of them, with an average price spread of 93%. Half of all listings fall between €489 EUR and €1,262 EUR per carat. The same specification in natural form lists at a median of about €1,694 EUR per carat. Over the last 30 days the median price moved -47.1% and the number of listings moved -75.5%.

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. Round lab grown stones in the index: 414 USD per carat, -5.0% 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

€107 EUR

Highest Price

€1,235 EUR

Average Price

€458 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

17.2%

Price Spread

93.0%

30-Day Price Trend

-47.1%

30-Day Supply Change

-75.5%

Volatility (30d)

0.31

Price Range

Price per carat distribution across retailers

$929/ct

10th Percentile

$347

Median

$929

90th Percentile

$2,232

Score Distribution

10 diamonds scored across 3 quality tiers

Excellent

3 (30.0%)

Very Good

4 (40.0%)

Good

3 (30.0%)

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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