How much does a 1.00 to 1.49ct G VVS1 lab grown marquise diamond cost?

As of November 2026, 1.00 to 1.49ct G VVS1 lab grown marquise diamonds typically cost £205 GBP to £919 GBP, with a median price of £486 GBP. There are currently 46 diamonds matching this specification available across retailers.

Where can I find the best price on a G VVS1 marquise diamond?

About 35% of these diamonds are available at multiple retailers, with an average price spread of 73%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct G VVS1 Lab Grown Marquise

Quick answer

As of November 2026, there are 46 lab grown marquise diamonds with G colour and VVS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £205 GBP to £919 GBP, with a median of £486 GBP. At least 47 retailers stock this exact specification, and 35% of the stones appear at more than one of them, with an average price spread of 73%. Half of all listings fall between £257 GBP and £540 GBP per carat. The same specification in natural form lists at a median of about £5,797 GBP per carat. Over the last 30 days the median price moved +15.6% and the number of listings moved +1.3%.

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: November 2026

Available

Lowest Price

£122 GBP

Highest Price

£1,358 GBP

Average Price

£559 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

34.6%

Price Spread

72.7%

30-Day Price Trend

+15.6%

30-Day Supply Change

+1.3%

Volatility (30d)

0.06

Price Range

Price per carat distribution across retailers

$522/ct

10th Percentile

$210

Median

$522

90th Percentile

$947

Score Distribution

220 diamonds scored across 4 quality tiers

Excellent

32 (14.5%)

Very Good

8 (3.6%)

Good

34 (15.5%)

Average

146 (66.4%)

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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