How much does a 0.20 to 0.49ct H VS1 lab grown marquise diamond cost?

As of October 2026, 0.20 to 0.49ct H VS1 lab grown marquise diamonds typically cost HK$698 HKD to HK$3,202 HKD, with a median price of HK$1,397 HKD. There are currently 46 diamonds matching this specification available across retailers.

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

About 68% of these diamonds are available at multiple retailers, with an average price spread of 95%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct H VS1 Lab Grown Marquise

Quick answer

As of October 2026, there are 46 lab grown marquise diamonds with H colour and VS1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run HK$698 HKD to HK$3,202 HKD, with a median of HK$1,397 HKD. At least 21 retailers stock this exact specification, and 68% of the stones appear at more than one of them, with an average price spread of 95%. Half of all listings fall between HK$4,470 HKD and HK$9,491 HKD per carat. The same specification in natural form lists at a median of about HK$11,336 HKD per carat. Over the last 30 days the median price moved -4.0% and the number of listings moved +0.7%.

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

HK$667 HKD

Highest Price

HK$10,353 HKD

Average Price

HK$1,901 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

68.3%

Price Spread

94.6%

30-Day Price Trend

-4.0%

30-Day Supply Change

+0.7%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$677/ct

10th Percentile

$366

Median

$677

90th Percentile

$2,165

Score Distribution

56 diamonds scored across 4 quality tiers

Excellent

20 (35.7%)

Very Good

19 (33.9%)

Good

3 (5.4%)

Average

14 (25.0%)

Find Your Diamond

Search 46 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