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

As of October 2026, 0.75 to 0.99ct H VS1 natural marquise diamonds typically cost $2,764 AUD to $7,400 AUD, with a median price of $4,430 AUD. There are currently 57 diamonds matching this specification available across retailers.

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

About 24% of these diamonds are available at multiple retailers, with an average price spread of 52%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct H VS1 Natural Marquise

Quick answer

As of October 2026, there are 57 natural marquise diamonds with H colour and VS1 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run $2,764 AUD to $7,400 AUD, with a median of $4,430 AUD. At least 58 retailers stock this exact specification, and 24% of the stones appear at more than one of them, with an average price spread of 52%. Half of all listings fall between $3,512 AUD and $5,839 AUD per carat. The same specification in lab grown form lists at a median of about $1,245 AUD per carat. Over the last 30 days the median price moved -1.5% and the number of listings moved +6.0%.

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 natural stones in the index: 2,268 USD per carat, +10.8% 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

$1,820 AUD

Highest Price

$11,868 AUD

Average Price

$4,780 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

24.1%

Price Spread

52.2%

30-Day Price Trend

-1.5%

30-Day Supply Change

+6.0%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$3,133/ct

10th Percentile

$1,958

Median

$3,133

90th Percentile

$5,244

Score Distribution

192 diamonds scored across 4 quality tiers

Excellent

17 (8.9%)

Very Good

44 (22.9%)

Good

44 (22.9%)

Average

87 (45.3%)

Find Your Diamond

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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

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Lab-Grown H VS1Same specifications, lab-grown origin

Save 72%

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