How much does a 0.50 to 0.74ct H IF natural marquise diamond cost?

As of October 2026, 0.50 to 0.74ct H IF natural marquise diamonds typically cost $1,252 NZD to $3,586 NZD, with a median price of $1,782 NZD. There are currently 138 diamonds matching this specification available across retailers.

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

About 34% of these diamonds are available at multiple retailers, with an average price spread of 50%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct H IF Natural Marquise

Quick answer

As of October 2026, there are 138 natural marquise diamonds with H colour and IF clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run $1,252 NZD to $3,586 NZD, with a median of $1,782 NZD. At least 57 retailers stock this exact specification, and 34% of the stones appear at more than one of them, with an average price spread of 50%. Half of all listings fall between $2,881 NZD and $4,675 NZD per carat. Over the last 30 days the median price moved -2.5% and the number of listings moved +4.7%.

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

138

Lowest Price

$772 NZD

Highest Price

$7,309 NZD

Average Price

$2,178 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

33.7%

Price Spread

50.5%

30-Day Price Trend

-2.5%

30-Day Supply Change

+4.7%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,996/ct

10th Percentile

$1,381

Median

$1,996

90th Percentile

$3,701

Score Distribution

369 diamonds scored across 4 quality tiers

Excellent

94 (25.5%)

Very Good

105 (28.5%)

Good

104 (28.2%)

Average

66 (17.9%)

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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