How much does a 1.00 to 1.49ct H VS1 lab grown marquise diamond cost?

As of November 2026, 1.00 to 1.49ct H VS1 lab grown marquise diamonds typically cost €321 EUR to €1,245 EUR, with a median price of €557 EUR. There are currently 155 diamonds matching this specification available across retailers.

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

About 23% of these diamonds are available at multiple retailers, with an average price spread of 114%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct H VS1 Lab Grown Marquise

Quick answer

As of November 2026, there are 155 lab grown marquise diamonds with H colour and VS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run €321 EUR to €1,245 EUR, with a median of €557 EUR. At least 36 retailers stock this exact specification, and 23% of the stones appear at more than one of them, with an average price spread of 114%. Half of all listings fall between €425 EUR and €1,246 EUR per carat. The same specification in natural form lists at a median of about €4,618 EUR per carat. Over the last 30 days the median price moved -3.5% and the number of listings moved +1.4%.

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

155

Lowest Price

€131 EUR

Highest Price

€4,678 EUR

Average Price

€850 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

23.2%

Price Spread

114.0%

30-Day Price Trend

-3.5%

30-Day Supply Change

+1.4%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$808/ct

10th Percentile

$288

Median

$808

90th Percentile

$2,606

Score Distribution

383 diamonds scored across 4 quality tiers

Excellent

45 (11.7%)

Very Good

117 (30.5%)

Good

135 (35.2%)

Average

86 (22.5%)

Find Your Diamond

Search 155 H VS1 marquise diamonds and compare prices.

Search Diamonds

Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

H VS2VS2 inclusions are not visible without magnification

Save 5%

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