How much does a 0.50 to 0.74ct H VS1 lab grown marquise diamond cost?

As of November 2026, 0.50 to 0.74ct H VS1 lab grown marquise diamonds typically cost $515 NZD to $4,356 NZD, with a median price of $787 NZD. There are currently 94 diamonds matching this specification available across retailers.

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

About 49% of these diamonds are available at multiple retailers, with an average price spread of 101%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct H VS1 Lab Grown Marquise

Quick answer

As of November 2026, there are 94 lab grown marquise diamonds with H colour and VS1 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run $515 NZD to $4,356 NZD, with a median of $787 NZD. At least 28 retailers stock this exact specification, and 49% of the stones appear at more than one of them, with an average price spread of 101%. Half of all listings fall between $1,164 NZD and $2,630 NZD per carat. The same specification in natural form lists at a median of about $3,284 NZD per carat. Over the last 30 days the median price moved +1.2% and the number of listings moved +2.6%.

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

$218 NZD

Highest Price

$5,527 NZD

Average Price

$1,450 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

49.1%

Price Spread

101.1%

30-Day Price Trend

+1.2%

30-Day Supply Change

+2.6%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$818/ct

10th Percentile

$353

Median

$818

90th Percentile

$2,887

Score Distribution

141 diamonds scored across 4 quality tiers

Excellent

32 (22.7%)

Very Good

42 (29.8%)

Good

18 (12.8%)

Average

49 (34.8%)

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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