How much does a 1.00 to 1.49ct D FL lab grown cushion diamond cost?

As of October 2026, 1.00 to 1.49ct D FL lab grown cushion diamonds typically cost €374 EUR to €1,385 EUR, with a median price of €616 EUR. There are currently 353 diamonds matching this specification available across retailers.

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

About 46% of these diamonds are available at multiple retailers, with an average price spread of 97%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct D FL Lab Grown Cushion

Quick answer

As of October 2026, there are 353 lab grown cushion diamonds with D colour and FL clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run €374 EUR to €1,385 EUR, with a median of €616 EUR. At least 39 retailers stock this exact specification, and 46% of the stones appear at more than one of them, with an average price spread of 97%. Half of all listings fall between €544 EUR and €1,335 EUR per carat. The same specification in natural form lists at a median of about €7,750 EUR per carat. Over the last 30 days the median price moved -8.6% and the number of listings moved +33.8%.

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. Cushion lab grown stones in the index: 516 USD per carat, +6.9% 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

353

Lowest Price

€285 EUR

Highest Price

€4,878 EUR

Average Price

€808 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

46.0%

Price Spread

97.4%

30-Day Price Trend

-8.6%

30-Day Supply Change

+33.8%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$907/ct

10th Percentile

$490

Median

$907

90th Percentile

$1,915

Score Distribution

716 diamonds scored across 5 quality tiers

Exceptional

27 (3.8%)

Excellent

270 (37.7%)

Very Good

202 (28.2%)

Good

178 (24.9%)

Average

39 (5.4%)

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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