How much does a 5.00ct+ J IF lab grown cushion diamond cost?

As of April 2026, 5.00ct+ J IF lab grown cushion diamonds are available from ￥111,190 JPY to ￥754,549 JPY, with an average price of ￥308,491 JPY. There are currently 9 diamonds matching this specification available across retailers.

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5.00ct+ J IF Lab Grown Cushion

As of April 2026, there are 9 lab grown cushion diamonds with J color and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices range from ￥111,190 JPY to ￥754,549 JPY, with an average of ￥308,491 JPY.

Last updated: April 2026

Available

Lowest Price

￥111,190 JPY

Highest Price

￥754,549 JPY

Average Price

￥308,491 JPY

Score Distribution

9 diamonds scored across 3 quality tiers

Excellent

2 (22.2%)

Very Good

2 (22.2%)

Average

5 (55.6%)

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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