How much does a 0.20 to 0.49ct I VVS1 natural radiant diamond cost?

As of October 2026, 0.20 to 0.49ct I VVS1 natural radiant diamonds typically cost $486 AUD to $1,112 AUD, with a median price of $846 AUD. There are currently 27 diamonds matching this specification available across retailers.

Where can I find the best price on a I VVS1 radiant diamond?

About 24% of these diamonds are available at multiple retailers, with an average price spread of 41%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct I VVS1 Natural Radiant

Quick answer

As of October 2026, there are 27 natural radiant diamonds with I colour and VVS1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run $486 AUD to $1,112 AUD, with a median of $846 AUD. At least 43 retailers stock this exact specification, and 24% of the stones appear at more than one of them, with an average price spread of 41%. Half of all listings fall between $1,656 AUD and $2,458 AUD per carat. Over the last 30 days the median price moved -5.4% and the number of listings moved +5.1%.

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

$257 AUD

Highest Price

$1,611 AUD

Average Price

$825 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

24.5%

Price Spread

41.0%

30-Day Price Trend

-5.4%

30-Day Supply Change

+5.1%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,376/ct

10th Percentile

$1,007

Median

$1,376

90th Percentile

$2,133

Score Distribution

108 diamonds scored across 5 quality tiers

Exceptional

2 (1.9%)

Excellent

17 (15.7%)

Very Good

12 (11.1%)

Good

32 (29.6%)

Average

45 (41.7%)

Find Your Diamond

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J VVS1J colour is visually identical to I to the naked eye

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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