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

As of October 2026, 0.50 to 0.74ct D IF lab grown round diamonds typically cost €107 EUR to €591 EUR, with a median price of €246 EUR. There are currently 2,527 diamonds matching this specification available across retailers.

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

About 46% of these diamonds are available at multiple retailers, with an average price spread of 79%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct D IF Lab Grown Round

Quick answer

As of October 2026, there are 2,527 lab grown round diamonds with D colour and IF clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run €107 EUR to €591 EUR, with a median of €246 EUR. At least 45 retailers stock this exact specification, and 46% of the stones appear at more than one of them, with an average price spread of 79%. Half of all listings fall between €398 EUR and €852 EUR per carat. The same specification in natural form lists at a median of about €3,204 EUR per carat. Over the last 30 days the median price moved -4.5% and the number of listings moved +2.0%.

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. 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: October 2026

Available

2,527

Lowest Price

€93 EUR

Highest Price

€1,725 EUR

Average Price

€306 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

45.6%

Price Spread

79.2%

30-Day Price Trend

-4.5%

30-Day Supply Change

+2.0%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$639/ct

10th Percentile

$261

Median

$639

90th Percentile

$1,446

Score Distribution

4.7K diamonds scored across 5 quality tiers

Exceptional

39 (0.8%)

Excellent

2,070 (44.5%)

Very Good

1,299 (27.9%)

Good

619 (13.3%)

Average

626 (13.5%)

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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