How much does a 2.00 to 2.99ct J SI2 natural oval diamond cost?

As of October 2026, 2.00 to 2.99ct J SI2 natural oval diamonds typically cost $7,563 AUD to $25,865 AUD, with a median price of $15,086 AUD. There are currently 449 diamonds matching this specification available across retailers.

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

About 40% of these diamonds are available at multiple retailers, with an average price spread of 53%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct J SI2 Natural Oval

Quick answer

As of October 2026, there are 449 natural oval diamonds with J colour and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $7,563 AUD to $25,865 AUD, with a median of $15,086 AUD. At least 52 retailers stock this exact specification, and 40% of the stones appear at more than one of them, with an average price spread of 53%. Half of all listings fall between $4,440 AUD and $7,627 AUD per carat. The same specification in lab grown form lists at a median of about $2,380 AUD 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

449

Lowest Price

$3,911 AUD

Highest Price

$46,488 AUD

Average Price

$16,100 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

39.7%

Price Spread

53.3%

30-Day Price Trend

-0.8%

30-Day Supply Change

+2.1%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$4,197/ct

10th Percentile

$2,231

Median

$4,197

90th Percentile

$6,583

Score Distribution

1.2K diamonds scored across 4 quality tiers

Excellent

135 (11.3%)

Very Good

310 (25.9%)

Good

193 (16.1%)

Average

558 (46.7%)

Find Your Diamond

Search 449 J SI2 oval diamonds and compare prices.

Search Diamonds

Consider Instead

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

J I1I1 inclusions are not visible without magnification

Save 16%

Lab-Grown J SI2Same specifications, lab-grown origin

Save 60%

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