How much does a 1.00 to 1.49ct J FL natural round diamond cost?

As of September 2026, 1.00 to 1.49ct J FL natural round diamonds typically cost $4,726 AUD to $22,781 AUD, with a median price of $7,129 AUD. There are currently 56 diamonds matching this specification available across retailers.

Where can I find the best price on a J FL round diamond?

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1.00 to 1.49ct J FL Natural Round

Quick answer

As of September 2026, there are 56 natural round diamonds with J colour and FL clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $4,726 AUD to $22,781 AUD, with a median of $7,129 AUD. At least 19 retailers stock this exact specification. Half of all listings fall between $4,379 AUD and $5,884 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. Round natural stones in the index: 2,094 USD per carat, -3.8% 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

Lowest Price

$3,865 AUD

Highest Price

$28,546 AUD

Average Price

$11,633 AUD

Market Intelligence

Retailers Selling

Price Spread

29.8%

Price Range

Price per carat distribution across retailers

$3,601/ct

10th Percentile

$2,834

Median

$3,601

90th Percentile

$11,702

Score Distribution

56 diamonds scored across 4 quality tiers

Excellent

1 (1.8%)

Very Good

6 (10.7%)

Good

23 (41.1%)

Average

26 (46.4%)

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