How much does a 0.50 to 0.74ct J I1 natural oval diamond cost?

As of October 2026, 0.50 to 0.74ct J I1 natural oval diamonds typically cost $682 AUD to $1,212 AUD, with a median price of $942 AUD. There are currently 23 diamonds matching this specification available across retailers.

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

About 19% of these diamonds are available at multiple retailers, with an average price spread of 26%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct J I1 Natural Oval

Quick answer

As of October 2026, there are 23 natural oval diamonds with J colour and I1 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run $682 AUD to $1,212 AUD, with a median of $942 AUD. At least 20 retailers stock this exact specification, and 19% of the stones appear at more than one of them, with an average price spread of 26%. Half of all listings fall between $1,341 AUD and $1,741 AUD per carat. Over the last 30 days the median price moved -0.9% and the number of listings moved +1.1%.

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

$302 AUD

Highest Price

$2,143 AUD

Average Price

$949 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

18.5%

Price Spread

26.1%

30-Day Price Trend

-0.9%

30-Day Supply Change

+1.1%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$1,078/ct

10th Percentile

$752

Median

$1,078

90th Percentile

$1,430

Score Distribution

104 diamonds scored across 4 quality tiers

Excellent

2 (1.9%)

Very Good

15 (14.4%)

Good

10 (9.6%)

Average

77 (74.0%)

Find Your Diamond

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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