How much does a 5.00ct+ D VS2 lab grown marquise diamond cost?

As of October 2026, 5.00ct+ D VS2 lab grown marquise diamonds typically cost £875 GBP to £7,029 GBP, with a median price of £1,710 GBP. There are currently 30 diamonds matching this specification available across retailers.

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

About 26% of these diamonds are available at multiple retailers, with an average price spread of 142%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ D VS2 Lab Grown Marquise

Quick answer

As of October 2026, there are 30 lab grown marquise diamonds with D colour and VS2 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £875 GBP to £7,029 GBP, with a median of £1,710 GBP. At least 30 retailers stock this exact specification, and 26% of the stones appear at more than one of them, with an average price spread of 142%. Half of all listings fall between £171 GBP and £540 GBP per carat. Over the last 30 days the median price moved -27.5% and the number of listings moved +58.2%.

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

£626 GBP

Highest Price

£8,936 GBP

Average Price

£3,073 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

26.3%

Price Spread

142.3%

30-Day Price Trend

-27.5%

30-Day Supply Change

+58.2%

Volatility (30d)

0.11

Price Range

Price per carat distribution across retailers

$345/ct

10th Percentile

$182

Median

$345

90th Percentile

$1,391

Score Distribution

57 diamonds scored across 4 quality tiers

Excellent

25 (43.9%)

Very Good

8 (14.0%)

Good

6 (10.5%)

Average

18 (31.6%)

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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