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 ￥27,463 JPY to ￥9,568,358 JPY, with an average price of ￥1,097,820 JPY. There are currently 108 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 108 lab grown radiant diamonds with I color and SI2 clarity in the 0.75 - 0.99ct range available across retailers worldwide. Prices range from ￥27,463 JPY to ￥9,568,358 JPY, with an average of ￥1,097,820 JPY.

Last updated: April 2026

Available

108

Lowest Price

￥27,463 JPY

Highest Price

￥9,568,358 JPY

Average Price

￥1,097,820 JPY

Score Distribution

108 diamonds scored across 3 quality tiers

Very Good

9 (8.3%)

Good

12 (11.1%)

Average

87 (80.6%)

Find Your Diamond

Search 108 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