How much does a 1.00 to 1.49ct E IF lab grown radiant diamond cost?

As of October 2026, 1.00 to 1.49ct E IF lab grown radiant diamonds typically cost €176 EUR to €1,190 EUR, with a median price of €339 EUR. There are currently 239 diamonds matching this specification available across retailers.

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

About 42% of these diamonds are available at multiple retailers, with an average price spread of 118%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct E IF Lab Grown Radiant

Quick answer

As of October 2026, there are 239 lab grown radiant diamonds with E colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run €176 EUR to €1,190 EUR, with a median of €339 EUR. At least 50 retailers stock this exact specification, and 42% of the stones appear at more than one of them, with an average price spread of 118%. Half of all listings fall between €292 EUR and €907 EUR per carat. The same specification in natural form lists at a median of about €6,601 EUR per carat. Over the last 30 days the median price moved -3.9% and the number of listings moved +18.2%.

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

239

Lowest Price

€143 EUR

Highest Price

€3,209 EUR

Average Price

€533 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

41.8%

Price Spread

118.0%

30-Day Price Trend

-3.9%

30-Day Supply Change

+18.2%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$582/ct

10th Percentile

$221

Median

$582

90th Percentile

$1,402

Score Distribution

568 diamonds scored across 5 quality tiers

Exceptional

1 (0.2%)

Excellent

218 (38.4%)

Very Good

176 (31.0%)

Good

120 (21.1%)

Average

53 (9.3%)

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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