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

As of October 2026, 0.50 to 0.74ct H VS1 lab grown marquise diamonds typically cost HK$2,402 HKD to HK$19,244 HKD, with a median price of HK$3,518 HKD. There are currently 97 diamonds matching this specification available across retailers.

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

About 48% 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 October 2026, there are 97 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 HK$2,402 HKD to HK$19,244 HKD, with a median of HK$3,518 HKD. At least 29 retailers stock this exact specification, and 48% of the stones appear at more than one of them, with an average price spread of 101%. Half of all listings fall between HK$5,151 HKD and HK$11,632 HKD per carat. The same specification in natural form lists at a median of about HK$14,498 HKD per carat. Over the last 30 days the median price moved +1.2% and the number of listings moved +2.5%.

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$965 HKD

Highest Price

HK$24,442 HKD

Average Price

HK$6,345 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

47.6%

Price Spread

101.0%

30-Day Price Trend

+1.2%

30-Day Supply Change

+2.5%

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

147 diamonds scored across 4 quality tiers

Excellent

32 (21.8%)

Very Good

42 (28.6%)

Good

22 (15.0%)

Average

51 (34.7%)

Find Your Diamond

Search 97 H VS1 marquise diamonds and compare prices.

Search Diamonds

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