How much does a 0.75 to 0.99ct H VS1 lab grown marquise diamond cost?

As of October 2026, 0.75 to 0.99ct H VS1 lab grown marquise diamonds typically cost HK$2,998 HKD to HK$25,525 HKD, with a median price of HK$4,178 HKD. There are currently 15 diamonds matching this specification available across retailers.

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

About 15% of these diamonds are available at multiple retailers, with an average price spread of 111%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct H VS1 Lab Grown Marquise

Quick answer

As of October 2026, there are 15 lab grown marquise diamonds with H colour and VS1 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run HK$2,998 HKD to HK$25,525 HKD, with a median of HK$4,178 HKD. At least 23 retailers stock this exact specification, and 15% of the stones appear at more than one of them, with an average price spread of 111%. Half of all listings fall between HK$4,118 HKD and HK$11,001 HKD per carat. The same specification in natural form lists at a median of about HK$24,566 HKD per carat. Over the last 30 days the median price moved +0.6% and the number of listings moved -0.4%.

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$1,808 HKD

Highest Price

HK$28,259 HKD

Average Price

HK$9,061 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

14.8%

Price Spread

110.8%

30-Day Price Trend

+0.6%

30-Day Supply Change

-0.4%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$792/ct

10th Percentile

$388

Median

$792

90th Percentile

$3,285

Score Distribution

40 diamonds scored across 4 quality tiers

Excellent

2 (5.0%)

Very Good

10 (25.0%)

Good

18 (45.0%)

Average

10 (25.0%)

Find Your Diamond

Search 15 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