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

As of September 2026, 2.00 to 2.99ct J I1 natural marquise diamonds typically cost €6,315 EUR to €26,014 EUR, with a median price of €14,086 EUR. There are currently 28 diamonds matching this specification available across retailers.

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

About 29% of these diamonds are available at multiple retailers, with an average price spread of 54%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct J I1 Natural Marquise

Quick answer

As of September 2026, there are 28 natural marquise diamonds with J colour and I1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run €6,315 EUR to €26,014 EUR, with a median of €14,086 EUR. At least 14 retailers stock this exact specification, and 29% of the stones appear at more than one of them, with an average price spread of 54%. Half of all listings fall between €2,520 EUR and €4,511 EUR per carat. The same specification in lab grown form lists at a median of about €4,503 EUR per carat. Over the last 30 days the median price moved -50.3% and the number of listings moved -68.0%.

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

€2,844 EUR

Highest Price

€99,070 EUR

Average Price

€15,965 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

28.6%

Price Spread

54.4%

30-Day Price Trend

-50.3%

30-Day Supply Change

-68.0%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$4,195/ct

10th Percentile

$1,784

Median

$4,195

90th Percentile

$7,839

Score Distribution

28 diamonds scored across 4 quality tiers

Excellent

2 (7.1%)

Very Good

4 (14.3%)

Good

6 (21.4%)

Average

16 (57.1%)

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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