How much does a 0.20 - 0.49ct F SI2 lab grown cushion diamond cost?

As of April 2026, 0.20 - 0.49ct F SI2 lab grown cushion diamonds are available from ￥21,045 JPY to ￥1,473,360 JPY, with an average price of ￥188,850 JPY. There are currently 117 diamonds matching this specification available across retailers.

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0.20 - 0.49ct F SI2 Lab Grown Cushion

As of April 2026, there are 117 lab grown cushion diamonds with F color and SI2 clarity in the 0.20 - 0.49ct range available across retailers worldwide. Prices range from ￥21,045 JPY to ￥1,473,360 JPY, with an average of ￥188,850 JPY.

Last updated: April 2026

Available

117

Lowest Price

￥21,045 JPY

Highest Price

￥1,473,360 JPY

Average Price

￥188,850 JPY

Score Distribution

117 diamonds scored across 4 quality tiers

Excellent

33 (28.2%)

Very Good

28 (23.9%)

Good

26 (22.2%)

Average

30 (25.6%)

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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