How much does a 2.00 to 2.99ct D IF lab grown marquise diamond cost?

As of October 2026, 2.00 to 2.99ct D IF lab grown marquise diamonds typically cost $1,819 AUD to $6,648 AUD, with a median price of $3,134 AUD. There are currently 721 diamonds matching this specification available across retailers.

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

About 39% of these diamonds are available at multiple retailers, with an average price spread of 98%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct D IF Lab Grown Marquise

Quick answer

As of October 2026, there are 721 lab grown marquise diamonds with D colour and IF clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $1,819 AUD to $6,648 AUD, with a median of $3,134 AUD. At least 50 retailers stock this exact specification, and 39% of the stones appear at more than one of them, with an average price spread of 98%. Half of all listings fall between $1,145 AUD and $2,914 AUD per carat. The same specification in natural form lists at a median of about $26,768 AUD per carat. Over the last 30 days the median price moved -8.1% and the number of listings moved +18.1%.

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

721

Lowest Price

$944 AUD

Highest Price

$24,880 AUD

Average Price

$3,800 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

38.5%

Price Spread

97.6%

30-Day Price Trend

-8.1%

30-Day Supply Change

+18.1%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$1,274/ct

10th Percentile

$636

Median

$1,274

90th Percentile

$2,604

Score Distribution

2.1K diamonds scored across 5 quality tiers

Exceptional

43 (2.0%)

Excellent

803 (37.3%)

Very Good

616 (28.7%)

Good

582 (27.1%)

Average

106 (4.9%)

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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