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

As of November 2026, 2.00 to 2.99ct G IF lab grown marquise diamonds typically cost $1,136 NZD to $16,848 NZD, with a median price of $4,788 NZD. There are currently 6 diamonds matching this specification available across retailers.

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

About 42% of these diamonds are available at multiple retailers, with an average price spread of 96%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct G IF Lab Grown Marquise

Quick answer

As of November 2026, there are 6 lab grown marquise diamonds with G colour and IF clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $1,136 NZD to $16,848 NZD, with a median of $4,788 NZD. At least 39 retailers stock this exact specification, and 42% of the stones appear at more than one of them, with an average price spread of 96%. Half of all listings fall between $1,101 NZD and $2,810 NZD per carat. The same specification in natural form lists at a median of about $31,446 NZD per carat. Over the last 30 days the median price moved -17.3% and the number of listings moved +38.7%.

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 lab grown stones in the index: 505 USD per carat, +1.6% 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

$1,047 NZD

Highest Price

$28,041 NZD

Average Price

$7,842 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

42.1%

Price Spread

95.7%

30-Day Price Trend

-17.3%

30-Day Supply Change

+38.7%

Volatility (30d)

0.08

Price Range

Price per carat distribution across retailers

$1,005/ct

10th Percentile

$404

Median

$1,005

90th Percentile

$2,481

Score Distribution

18 diamonds scored across 4 quality tiers

Excellent

5 (27.8%)

Very Good

4 (22.2%)

Good

2 (11.1%)

Average

7 (38.9%)

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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