How much does a 1.50 to 1.99ct F IF natural radiant diamond cost?

As of October 2026, 1.50 to 1.99ct F IF natural radiant diamonds typically cost $16,001 AUD to $43,948 AUD, with a median price of $26,395 AUD. There are currently 6 diamonds matching this specification available across retailers.

Where can I find the best price on a F IF radiant diamond?

About 25% of these diamonds are available at multiple retailers, with an average price spread of 39%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct F IF Natural Radiant

Quick answer

As of October 2026, there are 6 natural radiant diamonds with F colour and IF clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $16,001 AUD to $43,948 AUD, with a median of $26,395 AUD. At least 24 retailers stock this exact specification, and 25% of the stones appear at more than one of them, with an average price spread of 39%. Half of all listings fall between $9,934 AUD and $14,871 AUD per carat. The same specification in lab grown form lists at a median of about $819 AUD per carat. Over the last 30 days the median price moved -3.9% and the number of listings moved -20.8%.

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. Radiant natural stones in the index: 3,091 USD per carat, +13.2% 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

$15,052 AUD

Highest Price

$46,079 AUD

Average Price

$28,494 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

25.0%

Price Spread

38.6%

30-Day Price Trend

-3.9%

30-Day Supply Change

-20.8%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$8,980/ct

10th Percentile

$5,881

Median

$8,980

90th Percentile

$11,869

Score Distribution

12 diamonds scored across 3 quality tiers

Very Good

5 (41.7%)

Good

2 (16.7%)

Average

5 (41.7%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

F VVS1VVS1 inclusions are not visible without magnification

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Lab-Grown F IFSame specifications, lab-grown origin

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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