How much does a 2.00 to 2.99ct J SI1 natural oval diamond cost?

As of October 2026, 2.00 to 2.99ct J SI1 natural oval diamonds typically cost $12,787 NZD to $38,552 NZD, with a median price of $22,949 NZD. There are currently 266 diamonds matching this specification available across retailers.

Where can I find the best price on a J SI1 oval diamond?

About 38% of these diamonds are available at multiple retailers, with an average price spread of 52%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct J SI1 Natural Oval

Quick answer

As of October 2026, there are 266 natural oval diamonds with J colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $12,787 NZD to $38,552 NZD, with a median of $22,949 NZD. At least 54 retailers stock this exact specification, and 38% of the stones appear at more than one of them, with an average price spread of 52%. Half of all listings fall between $6,366 NZD and $10,768 NZD per carat. The same specification in lab grown form lists at a median of about $2,400 NZD per carat. Over the last 30 days the median price moved -0.8% and the number of listings moved +2.1%.

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

266

Lowest Price

$7,423 NZD

Highest Price

$68,754 NZD

Average Price

$24,806 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

38.0%

Price Spread

52.3%

30-Day Price Trend

-0.8%

30-Day Supply Change

+2.1%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$4,749/ct

10th Percentile

$2,718

Median

$4,749

90th Percentile

$7,384

Score Distribution

796 diamonds scored across 4 quality tiers

Excellent

61 (7.7%)

Very Good

158 (19.8%)

Good

145 (18.2%)

Average

432 (54.3%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

J SI2SI2 inclusions are not visible without magnification

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Lab-Grown J SI1Same 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