How much does a 0.20 to 0.49ct D VS1 lab grown heart diamond cost?

As of October 2026, 0.20 to 0.49ct D VS1 lab grown heart diamonds typically cost £64 GBP to £351 GBP, with a median price of £106 GBP. There are currently 235 diamonds matching this specification available across retailers.

Where can I find the best price on a D VS1 heart diamond?

About 59% of these diamonds are available at multiple retailers, with an average price spread of 118%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct D VS1 Lab Grown Heart

Quick answer

As of October 2026, there are 235 lab grown heart diamonds with D colour and VS1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run £64 GBP to £351 GBP, with a median of £106 GBP. At least 17 retailers stock this exact specification, and 59% of the stones appear at more than one of them, with an average price spread of 118%. Half of all listings fall between £240 GBP and £764 GBP per carat. The same specification in natural form lists at a median of about £1,393 GBP per carat. Over the last 30 days the median price moved 0.0% and the number of listings moved +58.7%.

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

235

Lowest Price

£42 GBP

Highest Price

£844 GBP

Average Price

£145 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

58.7%

Price Spread

118.3%

30-Day Price Trend

0.0%

30-Day Supply Change

+58.7%

Volatility (30d)

0.05

Price Range

Price per carat distribution across retailers

$589/ct

10th Percentile

$259

Median

$589

90th Percentile

$1,315

Score Distribution

374 diamonds scored across 4 quality tiers

Excellent

181 (48.4%)

Very Good

43 (11.5%)

Good

97 (25.9%)

Average

53 (14.2%)

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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