How much does a 2.00 to 2.99ct D I1 natural marquise diamond cost?

As of September 2026, 2.00 to 2.99ct D I1 natural marquise diamonds typically cost $12,630 AUD to $62,143 AUD, with a median price of $27,191 AUD. There are currently 33 diamonds matching this specification available across retailers.

Where can I find the best price on a D I1 marquise diamond?

About 42% of these diamonds are available at multiple retailers, with an average price spread of 44%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct D I1 Natural Marquise

Quick answer

As of September 2026, there are 33 natural marquise diamonds with D colour and I1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $12,630 AUD to $62,143 AUD, with a median of $27,191 AUD. At least 13 retailers stock this exact specification, and 42% of the stones appear at more than one of them, with an average price spread of 44%. Half of all listings fall between $8,395 AUD and $13,088 AUD per carat. Over the last 30 days the median price moved -36.0% and the number of listings moved -57.3%.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Marquise natural stones in the index: 2,114 USD per carat, -8.8% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

Lowest Price

$6,637 AUD

Highest Price

$172,747 AUD

Average Price

$34,325 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

41.5%

Price Spread

44.1%

30-Day Price Trend

-36.0%

30-Day Supply Change

-57.3%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$7,582/ct

10th Percentile

$5,410

Median

$7,582

90th Percentile

$13,057

Score Distribution

33 diamonds scored across 4 quality tiers

Excellent

4 (12.1%)

Very Good

12 (36.4%)

Good

4 (12.1%)

Average

13 (39.4%)

Find Your Diamond

Search 33 D I1 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