How much does a 2.00 to 2.99ct J I1 lab grown oval diamond cost?

As of September 2026, 2.00 to 2.99ct J I1 lab grown oval diamonds typically cost $7,977 AUD to $15,182 AUD, with a median price of $10,006 AUD. There are currently 176 diamonds matching this specification available across retailers.

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

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2.00 to 2.99ct J I1 Lab Grown Oval

Quick answer

As of September 2026, there are 176 lab grown oval diamonds with J colour and I1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $7,977 AUD to $15,182 AUD, with a median of $10,006 AUD. At least 4 retailers stock this exact specification. Half of all listings fall between $3,926 AUD and $4,790 AUD per carat. The same specification in natural form lists at a median of about $7,012 AUD per carat. Over the last 30 days the median price moved -14.5% and the number of listings moved +6.9%.

Three of the best scored stones at this specification right now:

2.51ct Oval J I1, IGI, score 74 of 100, from $4,815 AUD

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Oval lab grown stones in the index: 487 USD per carat, -11.2% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

176

Lowest Price

$2,474 AUD

Highest Price

$22,494 AUD

Average Price

$10,997 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

0.0%

Price Spread

20.6%

30-Day Price Trend

-14.5%

30-Day Supply Change

+6.9%

Volatility (30d)

0.15

Price Range

Price per carat distribution across retailers

$2,731/ct

10th Percentile

$2,540

Median

$2,731

90th Percentile

$3,119

Score Distribution

176 diamonds scored across 3 quality tiers

Very Good

3 (1.7%)

Good

136 (77.3%)

Average

37 (21.0%)

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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