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

As of November 2026, 3.00 to 4.99ct H VS1 lab grown marquise diamonds typically cost $1,749 NZD to $8,509 NZD, with a median price of $3,047 NZD. There are currently 181 diamonds matching this specification available across retailers.

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

About 18% of these diamonds are available at multiple retailers, with an average price spread of 82%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct H VS1 Lab Grown Marquise

Quick answer

As of November 2026, there are 181 lab grown marquise diamonds with H colour and VS1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $1,749 NZD to $8,509 NZD, with a median of $3,047 NZD. At least 32 retailers stock this exact specification, and 18% of the stones appear at more than one of them, with an average price spread of 82%. Half of all listings fall between $641 NZD and $1,624 NZD per carat. The same specification in natural form lists at a median of about $26,433 NZD per carat. Over the last 30 days the median price moved +47.7% and the number of listings moved +13.1%.

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

181

Lowest Price

$655 NZD

Highest Price

$13,246 NZD

Average Price

$4,321 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

17.5%

Price Spread

81.6%

30-Day Price Trend

+47.7%

30-Day Supply Change

+13.1%

Volatility (30d)

0.10

Price Range

Price per carat distribution across retailers

$679/ct

10th Percentile

$256

Median

$679

90th Percentile

$1,152

Score Distribution

655 diamonds scored across 4 quality tiers

Excellent

60 (9.2%)

Very Good

67 (10.2%)

Good

317 (48.4%)

Average

211 (32.2%)

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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