How much does a 0.75 to 0.99ct G VS2 lab grown marquise diamond cost?

As of October 2026, 0.75 to 0.99ct G VS2 lab grown marquise diamonds typically cost £175 GBP to £562 GBP, with a median price of £354 GBP. There are currently 24 diamonds matching this specification available across retailers.

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

About 25% of these diamonds are available at multiple retailers, with an average price spread of 81%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct G VS2 Lab Grown Marquise

Quick answer

As of October 2026, there are 24 lab grown marquise diamonds with G colour and VS2 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run £175 GBP to £562 GBP, with a median of £354 GBP. At least 31 retailers stock this exact specification, and 25% of the stones appear at more than one of them, with an average price spread of 81%. Half of all listings fall between £234 GBP and £533 GBP per carat. The same specification in natural form lists at a median of about £2,540 GBP per carat. Over the last 30 days the median price moved -1.4% and the number of listings moved +19.8%.

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

£99 GBP

Highest Price

£1,024 GBP

Average Price

£391 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

25.1%

Price Spread

81.0%

30-Day Price Trend

-1.4%

30-Day Supply Change

+19.8%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$491/ct

10th Percentile

$198

Median

$491

90th Percentile

$939

Score Distribution

63 diamonds scored across 4 quality tiers

Excellent

9 (14.3%)

Very Good

5 (7.9%)

Good

23 (36.5%)

Average

26 (41.3%)

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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