How much does a 1.50 to 1.99ct D FL lab grown round diamond cost?

As of October 2026, 1.50 to 1.99ct D FL lab grown round diamonds typically cost €443 EUR to €2,711 EUR, with a median price of €851 EUR. There are currently 2,334 diamonds matching this specification available across retailers.

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

About 53% of these diamonds are available at multiple retailers, with an average price spread of 114%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct D FL Lab Grown Round

Quick answer

As of October 2026, there are 2,334 lab grown round diamonds with D colour and FL clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run €443 EUR to €2,711 EUR, with a median of €851 EUR. At least 42 retailers stock this exact specification, and 53% of the stones appear at more than one of them, with an average price spread of 114%. Half of all listings fall between €476 EUR and €1,311 EUR per carat. The same specification in natural form lists at a median of about €14,865 EUR per carat. Over the last 30 days the median price moved -5.0% and the number of listings moved +25.5%.

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

2,334

Lowest Price

€353 EUR

Highest Price

€6,029 EUR

Average Price

€1,218 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

53.0%

Price Spread

113.8%

30-Day Price Trend

-5.0%

30-Day Supply Change

+25.5%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$816/ct

10th Percentile

$370

Median

$816

90th Percentile

$2,042

Score Distribution

4.8K diamonds scored across 5 quality tiers

Exceptional

391 (8.2%)

Excellent

1,852 (38.6%)

Very Good

529 (11.0%)

Good

1,502 (31.3%)

Average

520 (10.8%)

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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