How much does a 1.00 to 1.49ct D IF natural radiant diamond cost?

As of October 2026, 1.00 to 1.49ct D IF natural radiant diamonds typically cost $7,336 AUD to $17,574 AUD, with a median price of $10,039 AUD. There are currently 31 diamonds matching this specification available across retailers.

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

About 31% of these diamonds are available at multiple retailers, with an average price spread of 48%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct D IF Natural Radiant

Quick answer

As of October 2026, there are 31 natural radiant diamonds with D colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $7,336 AUD to $17,574 AUD, with a median of $10,039 AUD. At least 52 retailers stock this exact specification, and 31% of the stones appear at more than one of them, with an average price spread of 48%. Half of all listings fall between $7,443 AUD and $11,688 AUD per carat. The same specification in lab grown form lists at a median of about $827 AUD per carat. Over the last 30 days the median price moved +1.3% and the number of listings moved +28.9%.

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. 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

$5,750 AUD

Highest Price

$30,815 AUD

Average Price

$12,014 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

31.2%

Price Spread

48.2%

30-Day Price Trend

+1.3%

30-Day Supply Change

+28.9%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$6,187/ct

10th Percentile

$4,527

Median

$6,187

90th Percentile

$9,681

Score Distribution

88 diamonds scored across 5 quality tiers

Exceptional

1 (1.1%)

Excellent

13 (14.8%)

Very Good

20 (22.7%)

Good

21 (23.9%)

Average

33 (37.5%)

Find Your Diamond

Search 31 D IF radiant diamonds and compare prices.

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Consider Instead

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

D VVS1VVS1 inclusions are not visible without magnification

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Lab-Grown D 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