How much does a 0.20 to 0.49ct F VVS2 lab grown heart diamond cost?

As of October 2026, 0.20 to 0.49ct F VVS2 lab grown heart diamonds typically cost £55 GBP to £163 GBP, with a median price of £106 GBP. There are currently 26 diamonds matching this specification available across retailers.

Where can I find the best price on a F VVS2 heart diamond?

About 63% of these diamonds are available at multiple retailers, with an average price spread of 112%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct F VVS2 Lab Grown Heart

Quick answer

As of October 2026, there are 26 lab grown heart diamonds with F colour and VVS2 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run £55 GBP to £163 GBP, with a median of £106 GBP. At least 10 retailers stock this exact specification, and 63% of the stones appear at more than one of them, with an average price spread of 112%. Half of all listings fall between £238 GBP and £808 GBP per carat. The same specification in natural form lists at a median of about £1,338 GBP per carat.

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. Heart lab grown stones in the index: 421 USD per carat, -1.8% 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

£44 GBP

Highest Price

£840 GBP

Average Price

£109 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

62.5%

Price Spread

111.6%

Price Range

Price per carat distribution across retailers

$681/ct

10th Percentile

$266

Median

$681

90th Percentile

$1,496

Score Distribution

47 diamonds scored across 4 quality tiers

Excellent

24 (51.1%)

Very Good

7 (14.9%)

Good

15 (31.9%)

Average

1 (2.1%)

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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