How much does a 1.00 to 1.49ct H VS2 lab grown marquise diamond cost?

As of October 2026, 1.00 to 1.49ct H VS2 lab grown marquise diamonds typically cost £337 GBP to £851 GBP, with a median price of £502 GBP. There are currently 61 diamonds matching this specification available across retailers.

Where can I find the best price on a H VS2 marquise diamond?

About 15% of these diamonds are available at multiple retailers, with an average price spread of 100%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct H VS2 Lab Grown Marquise

Quick answer

As of October 2026, there are 61 lab grown marquise diamonds with H colour and VS2 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £337 GBP to £851 GBP, with a median of £502 GBP. At least 29 retailers stock this exact specification, and 15% of the stones appear at more than one of them, with an average price spread of 100%. Half of all listings fall between £442 GBP and £1,016 GBP per carat. The same specification in natural form lists at a median of about £3,964 GBP per carat. Over the last 30 days the median price moved +1.9% and the number of listings moved +6.9%.

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. Marquise lab grown stones in the index: 485 USD per carat, -3.2% 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

£135 GBP

Highest Price

£3,551 GBP

Average Price

£622 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

15.5%

Price Spread

99.5%

30-Day Price Trend

+1.9%

30-Day Supply Change

+6.9%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$767/ct

10th Percentile

$435

Median

$767

90th Percentile

$2,445

Score Distribution

168 diamonds scored across 4 quality tiers

Excellent

15 (8.9%)

Very Good

44 (26.2%)

Good

53 (31.5%)

Average

56 (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