How much does a 1.50 to 1.99ct G VVS1 lab grown marquise diamond cost?

As of October 2026, 1.50 to 1.99ct G VVS1 lab grown marquise diamonds typically cost £414 GBP to £1,784 GBP, with a median price of £1,134 GBP. There are currently 28 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 92%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct G VVS1 Lab Grown Marquise

Quick answer

As of October 2026, there are 28 lab grown marquise diamonds with G colour and VVS1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run £414 GBP to £1,784 GBP, with a median of £1,134 GBP. At least 50 retailers stock this exact specification, and 35% of the stones appear at more than one of them, with an average price spread of 92%. Half of all listings fall between £257 GBP and £634 GBP per carat. The same specification in natural form lists at a median of about £8,361 GBP per carat. Over the last 30 days the median price moved +22.5% and the number of listings moved -5.0%.

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

£204 GBP

Highest Price

£2,065 GBP

Average Price

£1,068 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

34.8%

Price Spread

91.6%

30-Day Price Trend

+22.5%

30-Day Supply Change

-5.0%

Volatility (30d)

0.15

Price Range

Price per carat distribution across retailers

$552/ct

10th Percentile

$216

Median

$552

90th Percentile

$1,055

Score Distribution

141 diamonds scored across 4 quality tiers

Excellent

12 (8.5%)

Very Good

11 (7.8%)

Good

44 (31.2%)

Average

74 (52.5%)

Find Your Diamond

Search 28 G VVS1 marquise diamonds and compare prices.

Search Diamonds

Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

G VVS2VVS2 inclusions are not visible without magnification

Save 11%

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