How much does a 0.75 to 0.99ct D FL lab grown round diamond cost?

As of November 2026, 0.75 to 0.99ct D FL lab grown round diamonds typically cost £154 GBP to £1,311 GBP, with a median price of £277 GBP. There are currently 686 diamonds matching this specification available across retailers.

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

About 61% 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.

0.75 to 0.99ct D FL Lab Grown Round

Quick answer

As of November 2026, there are 686 lab grown round diamonds with D colour and FL clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run £154 GBP to £1,311 GBP, with a median of £277 GBP. At least 37 retailers stock this exact specification, and 61% of the stones appear at more than one of them, with an average price spread of 97%. Half of all listings fall between £285 GBP and £810 GBP per carat. The same specification in natural form lists at a median of about £5,134 GBP per carat. Over the last 30 days the median price moved -5.7% and the number of listings moved +23.3%.

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: November 2026

Available

686

Lowest Price

£148 GBP

Highest Price

£2,235 GBP

Average Price

£507 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

60.9%

Price Spread

96.6%

30-Day Price Trend

-5.7%

30-Day Supply Change

+23.3%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$729/ct

10th Percentile

$269

Median

$729

90th Percentile

$1,758

Score Distribution

1.1K diamonds scored across 5 quality tiers

Exceptional

19 (1.8%)

Excellent

560 (53.3%)

Very Good

162 (15.4%)

Good

249 (23.7%)

Average

61 (5.8%)

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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