How much does a 5.00ct+ E SI2 lab grown oval diamond cost?

As of April 2026, 5.00ct+ E SI2 lab grown oval diamonds are available from ￥10,299 JPY to ￥928,149 JPY, with an average price of ￥163,371 JPY. There are currently 243 diamonds matching this specification available across retailers.

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

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5.00ct+ E SI2 Lab Grown Oval

As of April 2026, there are 243 lab grown oval diamonds with E color and SI2 clarity in the 5.00ct+ range available across retailers worldwide. Prices range from ￥10,299 JPY to ￥928,149 JPY, with an average of ￥163,371 JPY.

Last updated: April 2026

Available

243

Lowest Price

￥10,299 JPY

Highest Price

￥928,149 JPY

Average Price

￥163,371 JPY

Score Distribution

243 diamonds scored across 4 quality tiers

Excellent

29 (11.9%)

Very Good

35 (14.4%)

Good

72 (29.6%)

Average

107 (44.0%)

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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