How much does a 0.50 to 0.74ct F I1 natural oval diamond cost?

As of October 2026, 0.50 to 0.74ct F I1 natural oval diamonds typically cost $1,003 NZD to $2,771 NZD, with a median price of $1,528 NZD. There are currently 72 diamonds matching this specification available across retailers.

Where can I find the best price on a F I1 oval diamond?

About 23% of these diamonds are available at multiple retailers, with an average price spread of 37%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct F I1 Natural Oval

Quick answer

As of October 2026, there are 72 natural oval diamonds with F colour and I1 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run $1,003 NZD to $2,771 NZD, with a median of $1,528 NZD. At least 28 retailers stock this exact specification, and 23% of the stones appear at more than one of them, with an average price spread of 37%. Half of all listings fall between $2,058 NZD and $2,933 NZD per carat. The same specification in lab grown form lists at a median of about $2,165 NZD per carat. Over the last 30 days the median price moved -4.7% and the number of listings moved +8.0%.

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. Oval natural stones in the index: 2,655 USD per carat, +10.2% 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

$560 NZD

Highest Price

$4,510 NZD

Average Price

$1,696 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

23.3%

Price Spread

37.4%

30-Day Price Trend

-4.7%

30-Day Supply Change

+8.0%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,313/ct

10th Percentile

$947

Median

$1,313

90th Percentile

$2,400

Score Distribution

231 diamonds scored across 4 quality tiers

Excellent

18 (7.8%)

Very Good

37 (16.0%)

Good

43 (18.6%)

Average

133 (57.6%)

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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