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

As of October 2026, 0.20 to 0.49ct I VVS1 natural cushion diamonds typically cost $427 AUD to $1,115 AUD, with a median price of $628 AUD. There are currently 52 diamonds matching this specification available across retailers.

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

About 38% of these diamonds are available at multiple retailers, with an average price spread of 43%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct I VVS1 Natural Cushion

Quick answer

As of October 2026, there are 52 natural cushion diamonds with I colour and VVS1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run $427 AUD to $1,115 AUD, with a median of $628 AUD. At least 10 retailers stock this exact specification, and 38% of the stones appear at more than one of them, with an average price spread of 43%. Half of all listings fall between $1,825 AUD and $2,778 AUD per carat. Over the last 30 days the median price moved +0.1% and the number of listings moved +7.5%.

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. Cushion natural stones in the index: 2,948 USD per carat, +1.7% 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

$277 AUD

Highest Price

$2,348 AUD

Average Price

$692 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

38.5%

Price Spread

42.8%

30-Day Price Trend

+0.1%

30-Day Supply Change

+7.5%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$1,565/ct

10th Percentile

$1,037

Median

$1,565

90th Percentile

$2,316

Score Distribution

155 diamonds scored across 4 quality tiers

Excellent

42 (27.1%)

Very Good

37 (23.9%)

Good

55 (35.5%)

Average

21 (13.5%)

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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