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

As of October 2026, 0.50 to 0.74ct E IF lab grown round diamonds typically cost €118 EUR to €601 EUR, with a median price of €237 EUR. There are currently 295 diamonds matching this specification available across retailers.

Where can I find the best price on a E 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 E IF Lab Grown Round

Quick answer

As of October 2026, there are 295 lab grown round diamonds with E colour and IF clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run €118 EUR to €601 EUR, with a median of €237 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 €3,205 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

295

Lowest Price

€98 EUR

Highest Price

€1,411 EUR

Average Price

€333 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

633 diamonds scored across 5 quality tiers

Exceptional

8 (1.3%)

Excellent

247 (39.0%)

Very Good

160 (25.3%)

Good

93 (14.7%)

Average

125 (19.7%)

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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