How much does a 1.50 to 1.99ct H VS1 lab grown marquise diamond cost?

As of October 2026, 1.50 to 1.99ct H VS1 lab grown marquise diamonds typically cost $686 CAD to $2,312 CAD, with a median price of $1,192 CAD. There are currently 35 diamonds matching this specification available across retailers.

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

About 12% of these diamonds are available at multiple retailers, with an average price spread of 103%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct H VS1 Lab Grown Marquise

Quick answer

As of October 2026, there are 35 lab grown marquise diamonds with H color and VS1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $686 CAD to $2,312 CAD, with a median of $1,192 CAD. At least 29 retailers stock this exact specification, and 12% of the stones appear at more than one of them, with an average price spread of 103%. Half of all listings fall between $457 CAD and $1,086 CAD per carat. The same specification in natural form lists at a median of about $11,494 CAD per carat. Over the last 30 days the median price moved -5.8% and the number of listings moved +10.8%.

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

$233 CAD

Highest Price

$4,153 CAD

Average Price

$1,361 CAD

Market Intelligence

Retailers Selling

Cross Retailer %

11.6%

Price Spread

103.0%

30-Day Price Trend

-5.8%

30-Day Supply Change

+10.8%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$435/ct

10th Percentile

$192

Median

$435

90th Percentile

$919

Score Distribution

213 diamonds scored across 4 quality tiers

Excellent

16 (7.5%)

Very Good

17 (8.0%)

Good

89 (41.8%)

Average

91 (42.7%)

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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