How much does a 2.00 to 2.99ct I VS1 natural marquise diamond cost?

As of November 2026, 2.00 to 2.99ct I VS1 natural marquise diamonds typically cost $20,028 AUD to $58,654 AUD, with a median price of $33,232 AUD. There are currently 21 diamonds matching this specification available across retailers.

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

About 38% of these diamonds are available at multiple retailers, with an average price spread of 33%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct I VS1 Natural Marquise

Quick answer

As of November 2026, there are 21 natural marquise diamonds with I colour and VS1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $20,028 AUD to $58,654 AUD, with a median of $33,232 AUD. At least 48 retailers stock this exact specification, and 38% of the stones appear at more than one of them, with an average price spread of 33%. Half of all listings fall between $12,643 AUD and $17,622 AUD per carat. The same specification in lab grown form lists at a median of about $915 AUD per carat. Over the last 30 days the median price moved -0.7% and the number of listings moved +18.9%.

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 natural stones in the index: 2,177 USD per carat, -4.2% 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: November 2026

Available

Lowest Price

$13,059 AUD

Highest Price

$71,954 AUD

Average Price

$35,150 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

37.7%

Price Spread

32.6%

30-Day Price Trend

-0.7%

30-Day Supply Change

+18.9%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$10,715/ct

10th Percentile

$8,015

Median

$10,715

90th Percentile

$14,233

Score Distribution

52 diamonds scored across 4 quality tiers

Excellent

11 (21.2%)

Very Good

15 (28.8%)

Good

12 (23.1%)

Average

14 (26.9%)

Find Your Diamond

Search 21 I VS1 marquise diamonds and compare prices.

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Consider Instead

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

J VS1J colour is visually identical to I to the naked eye

Save 45%

Lab-Grown I VS1Same specifications, lab-grown origin

Save 95%

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