How much does a 2.00 to 2.99ct D FL lab grown cushion diamond cost?

As of October 2026, 2.00 to 2.99ct D FL lab grown cushion diamonds typically cost £880 GBP to £3,884 GBP, with a median price of £1,653 GBP. There are currently 910 diamonds matching this specification available across retailers.

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

About 45% of these diamonds are available at multiple retailers, with an average price spread of 102%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct D FL Lab Grown Cushion

Quick answer

As of October 2026, there are 910 lab grown cushion diamonds with D colour and FL clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run £880 GBP to £3,884 GBP, with a median of £1,653 GBP. At least 43 retailers stock this exact specification, and 45% of the stones appear at more than one of them, with an average price spread of 102%. Half of all listings fall between £602 GBP and £1,717 GBP per carat. The same specification in natural form lists at a median of about £11,988 GBP per carat. Over the last 30 days the median price moved -14.4% and the number of listings moved +21.6%.

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. 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

910

Lowest Price

£688 GBP

Highest Price

£14,976 GBP

Average Price

£2,169 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

45.4%

Price Spread

102.4%

30-Day Price Trend

-14.4%

30-Day Supply Change

+21.6%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$1,451/ct

10th Percentile

$646

Median

$1,451

90th Percentile

$3,221

Score Distribution

2.6K diamonds scored across 5 quality tiers

Exceptional

33 (1.3%)

Excellent

1,042 (39.9%)

Very Good

580 (22.2%)

Good

814 (31.2%)

Average

143 (5.5%)

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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