How much does a 0.75 - 0.99ct I SI2 lab grown radiant diamond cost?

As of April 2026, 0.75 - 0.99ct I SI2 lab grown radiant diamonds are available from $307 NZD to $26,291 NZD, with an average price of $4,826 NZD. There are currently 93 diamonds matching this specification available across retailers.

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

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

0.75 - 0.99ct I SI2 Lab Grown Radiant

As of April 2026, there are 93 lab grown radiant diamonds with I color and SI2 clarity in the 0.75 - 0.99ct range available across retailers worldwide. Prices range from $307 NZD to $26,291 NZD, with an average of $4,826 NZD.

Last updated: April 2026

Available

Lowest Price

$307 NZD

Highest Price

$26,291 NZD

Average Price

$4,826 NZD

Score Distribution

93 diamonds scored across 3 quality tiers

Very Good

10 (10.8%)

Good

11 (11.8%)

Average

72 (77.4%)

Find Your Diamond

Search 93 I SI2 radiant diamonds and compare prices.

Search Diamonds

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