How much does a 3.00 to 4.99ct G VS1 lab grown marquise diamond cost?

As of November 2026, 3.00 to 4.99ct G VS1 lab grown marquise diamonds typically cost $729 NZD to $7,229 NZD, with a median price of $2,573 NZD. There are currently 1,686 diamonds matching this specification available across retailers.

Where can I find the best price on a G VS1 marquise diamond?

About 46% of these diamonds are available at multiple retailers, with an average price spread of 106%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct G VS1 Lab Grown Marquise

Quick answer

As of November 2026, there are 1,686 lab grown marquise diamonds with G colour and VS1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $729 NZD to $7,229 NZD, with a median of $2,573 NZD. At least 58 retailers stock this exact specification, and 46% of the stones appear at more than one of them, with an average price spread of 106%. Half of all listings fall between $486 NZD and $1,436 NZD per carat. The same specification in natural form lists at a median of about $43,039 NZD per carat. Over the last 30 days the median price moved +28.0% and the number of listings moved +39.0%.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, October 2026: natural diamonds at 2,202 USD per carat and lab-grown at 462 USD per carat, a natural to lab ratio of 4.8 to 1. Marquise lab grown stones in the index: 505 USD per carat, +1.6% 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

1,686

Lowest Price

$560 NZD

Highest Price

$18,271 NZD

Average Price

$3,141 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

46.2%

Price Spread

105.9%

30-Day Price Trend

+28.0%

30-Day Supply Change

+39.0%

Volatility (30d)

0.09

Price Range

Price per carat distribution across retailers

$505/ct

10th Percentile

$173

Median

$505

90th Percentile

$1,053

Score Distribution

2.7K diamonds scored across 4 quality tiers

Excellent

980 (36.7%)

Very Good

435 (16.3%)

Good

606 (22.7%)

Average

651 (24.4%)

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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