How much does a 0.20 - 0.49ct J SI2 natural radiant diamond cost?

As of April 2026, 0.20 - 0.49ct J SI2 natural radiant diamonds are available from $449 AUD to $502,843 AUD, with an average price of $20,167 AUD. There are currently 945 diamonds matching this specification available across retailers.

Where can I find the best price on a J SI2 radiant diamond?

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0.20 - 0.49ct J SI2 Natural Radiant

As of April 2026, there are 945 natural radiant diamonds with J color and SI2 clarity in the 0.20 - 0.49ct range available across retailers worldwide. Prices range from $449 AUD to $502,843 AUD, with an average of $20,167 AUD.

Last updated: April 2026

Available

945

Lowest Price

$449 AUD

Highest Price

$502,843 AUD

Average Price

$20,167 AUD

Score Distribution

945 diamonds scored across 4 quality tiers

Excellent

87 (9.2%)

Very Good

276 (29.2%)

Good

337 (35.7%)

Average

245 (25.9%)

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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