How much does a 1.00 to 1.49ct J IF natural oval diamond cost?

As of September 2026, 1.00 to 1.49ct J IF natural oval diamonds typically cost $2,487 AUD to $6,343 AUD, with a median price of $3,937 AUD. There are currently 278 diamonds matching this specification available across retailers.

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

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1.00 to 1.49ct J IF Natural Oval

Quick answer

As of September 2026, there are 278 natural oval diamonds with J colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $2,487 AUD to $6,343 AUD, with a median of $3,937 AUD. At least 43 retailers stock this exact specification. Half of all listings fall between $2,786 AUD and $3,982 AUD per carat. The same specification in lab grown form lists at a median of about $4,177 AUD per carat.

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

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 natural stones in the index: 2,380 USD per carat, -9.6% 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

278

Lowest Price

$1,747 AUD

Highest Price

$13,356 AUD

Average Price

$4,304 AUD

Market Intelligence

Retailers Selling

Price Spread

35.4%

Price Range

Price per carat distribution across retailers

$2,408/ct

10th Percentile

$1,677

Median

$2,408

90th Percentile

$3,410

Score Distribution

278 diamonds scored across 4 quality tiers

Excellent

49 (17.6%)

Very Good

87 (31.3%)

Good

67 (24.1%)

Average

75 (27.0%)

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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