How much does a 1.00 to 1.49ct G FL lab grown radiant diamond cost?

As of October 2026, 1.00 to 1.49ct G FL lab grown radiant diamonds typically cost €2,443 EUR to €3,875 EUR, with a median price of €3,208 EUR. There are currently 1 diamonds matching this specification available across retailers.

Where can I find the best price on a G FL radiant diamond?

About 80% 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.

1.00 to 1.49ct G FL Lab Grown Radiant

Quick answer

As of October 2026, there are 1 lab grown radiant diamonds with G colour and FL clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run €2,443 EUR to €3,875 EUR, with a median of €3,208 EUR. At least 24 retailers stock this exact specification, and 80% of the stones appear at more than one of them, with an average price spread of 98%. Half of all listings fall between €346 EUR and €926 EUR per carat. The same specification in natural form lists at a median of about €5,028 EUR per carat. Over the last 30 days the median price moved -3.3% and the number of listings moved +27.1%.

Three of the best scored stones at this specification right now:

1.43ct Radiant G FL, GCAL, grade B, from €2,252 EUR

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

Lowest Price

€2,252 EUR

Highest Price

€4,662 EUR

Average Price

€3,167 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

80.0%

Price Spread

98.1%

30-Day Price Trend

-3.3%

30-Day Supply Change

+27.1%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$659/ct

10th Percentile

$289

Median

$659

90th Percentile

$1,545

Score Distribution

3 diamonds scored across 2 quality tiers

Good

1 (33.3%)

Average

2 (66.7%)

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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