How much does a 1.50 to 1.99ct D VS1 lab grown heart diamond cost?

As of October 2026, 1.50 to 1.99ct D VS1 lab grown heart diamonds typically cost £178 GBP to £986 GBP, with a median price of £362 GBP. There are currently 1,959 diamonds matching this specification available across retailers.

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

About 43% of these diamonds are available at multiple retailers, with an average price spread of 114%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct D VS1 Lab Grown Heart

Quick answer

As of October 2026, there are 1,959 lab grown heart diamonds with D colour and VS1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run £178 GBP to £986 GBP, with a median of £362 GBP. At least 54 retailers stock this exact specification, and 43% of the stones appear at more than one of them, with an average price spread of 114%. Half of all listings fall between £181 GBP and £520 GBP per carat. The same specification in natural form lists at a median of about £5,151 GBP per carat. Over the last 30 days the median price moved +3.2% and the number of listings moved +18.4%.

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

1,959

Lowest Price

£156 GBP

Highest Price

£2,747 GBP

Average Price

£508 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

43.0%

Price Spread

114.2%

30-Day Price Trend

+3.2%

30-Day Supply Change

+18.4%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$394/ct

10th Percentile

$175

Median

$394

90th Percentile

$897

Score Distribution

4.1K diamonds scored across 4 quality tiers

Excellent

1,733 (42.0%)

Very Good

463 (11.2%)

Good

783 (19.0%)

Average

1,152 (27.9%)

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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