How much does a 0.75 to 0.99ct D I1 natural oval diamond cost?

As of October 2026, 0.75 to 0.99ct D I1 natural oval diamonds typically cost $2,161 NZD to $4,525 NZD, with a median price of $3,195 NZD. There are currently 25 diamonds matching this specification available across retailers.

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

About 11% of these diamonds are available at multiple retailers, with an average price spread of 36%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct D I1 Natural Oval

Quick answer

As of October 2026, there are 25 natural oval diamonds with D colour and I1 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run $2,161 NZD to $4,525 NZD, with a median of $3,195 NZD. At least 26 retailers stock this exact specification, and 11% of the stones appear at more than one of them, with an average price spread of 36%. Half of all listings fall between $2,781 NZD and $3,990 NZD per carat. Over the last 30 days the median price moved +0.3% and the number of listings moved -7.1%.

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

$1,363 NZD

Highest Price

$7,176 NZD

Average Price

$3,346 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

11.3%

Price Spread

36.0%

30-Day Price Trend

+0.3%

30-Day Supply Change

-7.1%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$1,895/ct

10th Percentile

$1,247

Median

$1,895

90th Percentile

$2,682

Score Distribution

110 diamonds scored across 4 quality tiers

Excellent

7 (6.4%)

Very Good

12 (10.9%)

Good

8 (7.3%)

Average

83 (75.5%)

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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