How much does a 1.50 to 1.99ct J IF natural oval diamond cost?

As of October 2026, 1.50 to 1.99ct J IF natural oval diamonds typically cost $5,540 AUD to $13,696 AUD, with a median price of $8,720 AUD. There are currently 36 diamonds matching this specification available across retailers.

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

About 50% of these diamonds are available at multiple retailers, with an average price spread of 60%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct J IF Natural Oval

Quick answer

As of October 2026, there are 36 natural oval diamonds with J colour and IF clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $5,540 AUD to $13,696 AUD, with a median of $8,720 AUD. At least 48 retailers stock this exact specification, and 50% of the stones appear at more than one of them, with an average price spread of 60%. Half of all listings fall between $4,169 AUD and $7,708 AUD per carat. Over the last 30 days the median price moved +0.1% and the number of listings moved +12.9%.

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

$4,465 AUD

Highest Price

$24,448 AUD

Average Price

$9,455 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

50.3%

Price Spread

59.9%

30-Day Price Trend

+0.1%

30-Day Supply Change

+12.9%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$4,153/ct

10th Percentile

$2,447

Median

$4,153

90th Percentile

$6,684

Score Distribution

82 diamonds scored across 4 quality tiers

Excellent

19 (23.2%)

Very Good

30 (36.6%)

Good

10 (12.2%)

Average

23 (28.0%)

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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