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

As of September 2026, 3.00 to 4.99ct H VS1 lab grown marquise diamonds typically cost $1,304 NZD to $6,929 NZD, with a median price of $2,075 NZD. There are currently 725 diamonds matching this specification available across retailers.

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

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3.00 to 4.99ct H VS1 Lab Grown Marquise

Quick answer

As of September 2026, there are 725 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 $1,304 NZD to $6,929 NZD, with a median of $2,075 NZD. At least 23 retailers stock this exact specification. Half of all listings fall between $484 NZD and $1,836 NZD per carat. The same specification in natural form lists at a median of about $25,584 NZD per carat.

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

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Marquise lab grown stones in the index: 500 USD per carat, -14.7% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

725

Lowest Price

$576 NZD

Highest Price

$12,871 NZD

Average Price

$3,394 NZD

Market Intelligence

Retailers Selling

Price Spread

207.9%

Price Range

Price per carat distribution across retailers

$375/ct

10th Percentile

$223

Median

$375

90th Percentile

$1,244

Score Distribution

725 diamonds scored across 4 quality tiers

Excellent

63 (8.7%)

Very Good

153 (21.1%)

Good

287 (39.6%)

Average

222 (30.6%)

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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