How much does a 2.00 to 2.99ct G IF natural marquise diamond cost?

As of November 2026, 2.00 to 2.99ct G IF natural marquise diamonds typically cost $40,508 AUD to $75,477 AUD, with a median price of $67,237 AUD. There are currently 1 diamonds matching this specification available across retailers.

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

About 30% of these diamonds are available at multiple retailers, with an average price spread of 23%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct G IF Natural Marquise

Quick answer

As of November 2026, there are 1 natural marquise diamonds with G colour and IF clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $40,508 AUD to $75,477 AUD, with a median of $67,237 AUD. At least 40 retailers stock this exact specification, and 30% of the stones appear at more than one of them, with an average price spread of 23%. Half of all listings fall between $19,874 AUD and $24,982 AUD per carat. The same specification in lab grown form lists at a median of about $1,528 AUD per carat. Over the last 30 days the median price moved +2.2% and the number of listings moved +7.2%.

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

2.52ct Marquise G IF, GIA, grade A, from $67,237 AUD

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: November 2026

Available

Lowest Price

$25,753 AUD

Highest Price

$108,119 AUD

Average Price

$61,211 AUD