How much does a 5.00ct+ H SI2 natural round diamond cost?

As of July 2026, 5.00ct+ H SI2 natural round diamonds typically cost $65,098 AUD to $270,009 AUD, with a median price of $126,461 AUD. There are currently 226 diamonds matching this specification available across retailers.

Where can I find the best price on a H SI2 round diamond?

Compare prices across retailers on Carat Hunter to see all your options.

5.00ct+ H SI2 Natural Round

Last updated: July 2026

Available

226

Lowest Price

$27,776 AUD

Highest Price

$781,702 AUD

Average Price

$153,279 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

N/A

Price Spread

53.6%

30-Day Price Trend

N/A

30-Day Supply Change

N/A

Volatility (30d)

N/A

Price Range

Price per carat distribution across retailers

$13,607/ct

10th Percentile

$7,491

Median

$13,607

90th Percentile

$20,222

Score Distribution

226 diamonds scored across 4 quality tiers

Excellent

53 (23.5%)

Very Good

76 (33.6%)

Good

53 (23.5%)

Average

44 (19.5%)

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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