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

As of October 2026, 0.50 to 0.74ct D IF lab grown radiant diamonds typically cost €127 EUR to €544 EUR, with a median price of €157 EUR. There are currently 280 diamonds matching this specification available across retailers.

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

About 61% of these diamonds are available at multiple retailers, with an average price spread of 98%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct D IF Lab Grown Radiant

Quick answer

As of October 2026, there are 280 lab grown radiant diamonds with D colour and IF clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run €127 EUR to €544 EUR, with a median of €157 EUR. At least 46 retailers stock this exact specification, and 61% of the stones appear at more than one of them, with an average price spread of 98%. Half of all listings fall between €387 EUR and €1,011 EUR per carat. The same specification in natural form lists at a median of about €1,945 EUR per carat. Over the last 30 days the median price moved -12.5% and the number of listings moved +26.6%.

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. Radiant lab grown stones in the index: 474 USD per carat, -2.1% 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

280

Lowest Price

€111 EUR

Highest Price

€1,950 EUR

Average Price

€261 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

61.5%

Price Spread

97.9%

30-Day Price Trend

-12.5%

30-Day Supply Change

+26.6%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$710/ct

10th Percentile

$318

Median

$710

90th Percentile

$1,593

Score Distribution

493 diamonds scored across 5 quality tiers

Exceptional

37 (7.5%)

Excellent

275 (55.8%)

Very Good

39 (7.9%)

Good

108 (21.9%)

Average

34 (6.9%)

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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