How much does a 1.00 to 1.49ct J VS2 lab grown heart diamond cost?

As of October 2026, 1.00 to 1.49ct J VS2 lab grown heart diamonds typically cost £210 GBP to £361 GBP, with a median price of £218 GBP. There are currently 1 diamonds matching this specification available across retailers.

Where can I find the best price on a J VS2 heart diamond?

About 67% of these diamonds are available at multiple retailers, with an average price spread of 77%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct J VS2 Lab Grown Heart

Quick answer

As of October 2026, there are 1 lab grown heart diamonds with J colour and VS2 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £210 GBP to £361 GBP, with a median of £218 GBP. At least 16 retailers stock this exact specification, and 67% of the stones appear at more than one of them, with an average price spread of 77%. Half of all listings fall between £198 GBP and £455 GBP per carat. The same specification in natural form lists at a median of about £1,921 GBP per carat. Over the last 30 days the median price moved -52.7% and the number of listings moved -13.3%.

Three of the best scored stones at this specification right now:

1.05ct Heart J VS2, IGI, grade B+, from £208 GBP

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

£208 GBP

Highest Price

£928 GBP

Average Price

£274 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

66.7%

Price Spread

76.8%

30-Day Price Trend

-52.7%

30-Day Supply Change

-13.3%

Volatility (30d)

0.19

Price Range

Price per carat distribution across retailers

$448/ct

10th Percentile

$183

Median

$448

90th Percentile

$955

Score Distribution

3 diamonds scored across 2 quality tiers

Very Good

2 (66.7%)

Average

1 (33.3%)

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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