How much does a 1.00 to 1.49ct D SI2 natural oval diamond cost?

As of November 2026, 1.00 to 1.49ct D SI2 natural oval diamonds typically cost $3,684 NZD to $10,371 NZD, with a median price of $5,859 NZD. There are currently 805 diamonds matching this specification available across retailers.

Where can I find the best price on a D SI2 oval diamond?

About 36% of these diamonds are available at multiple retailers, with an average price spread of 51%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct D SI2 Natural Oval

Quick answer

As of November 2026, there are 805 natural oval diamonds with D colour and SI2 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $3,684 NZD to $10,371 NZD, with a median of $5,859 NZD. At least 61 retailers stock this exact specification, and 36% of the stones appear at more than one of them, with an average price spread of 51%. Half of all listings fall between $4,258 NZD and $6,902 NZD per carat. The same specification in lab grown form lists at a median of about $614 NZD per carat. Over the last 30 days the median price moved -0.6% and the number of listings moved -0.1%.

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: November 2026

Available

805

Lowest Price

$2,074 NZD

Highest Price

$22,613 NZD

Average Price

$6,571 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

36.5%

Price Spread

51.0%

30-Day Price Trend

-0.6%

30-Day Supply Change

-0.1%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$2,922/ct

10th Percentile

$2,017

Median

$2,922

90th Percentile

$5,089

Score Distribution

2.3K diamonds scored across 4 quality tiers

Excellent

539 (23.6%)

Very Good

566 (24.8%)

Good

312 (13.7%)

Average

866 (37.9%)

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Consider Instead

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Lab-Grown D SI2Same 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