How much does a 1.50 to 1.99ct H IF natural marquise diamond cost?

As of October 2026, 1.50 to 1.99ct H IF natural marquise diamonds typically cost $18,215 NZD to $27,848 NZD, with a median price of $22,713 NZD. There are currently 5 diamonds matching this specification available across retailers.

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

About 41% of these diamonds are available at multiple retailers, with an average price spread of 32%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct H IF Natural Marquise

Quick answer

As of October 2026, there are 5 natural marquise diamonds with H colour and IF clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $18,215 NZD to $27,848 NZD, with a median of $22,713 NZD. At least 46 retailers stock this exact specification, and 41% of the stones appear at more than one of them, with an average price spread of 32%. Half of all listings fall between $10,887 NZD and $14,933 NZD per carat. The same specification in lab grown form lists at a median of about $1,133 NZD per carat. Over the last 30 days the median price moved -5.5% and the number of listings moved +38.4%.

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 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: October 2026

Available

Lowest Price

$15,615 NZD

Highest Price

$39,560 NZD

Average Price

$23,187 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

40.9%

Price Spread

32.2%

30-Day Price Trend

-5.5%

30-Day Supply Change

+38.4%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$7,055/ct

10th Percentile

$5,377

Median

$7,055

90th Percentile

$9,987

Score Distribution

17 diamonds scored across 4 quality tiers

Excellent

2 (11.8%)

Very Good

3 (17.6%)

Good

6 (35.3%)

Average

6 (35.3%)

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Consider Instead

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Lab-Grown H IFSame specifications, lab-grown origin

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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