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

As of April 2026, 5.00ct+ D SI2 lab grown oval diamonds are available from ￥4,299 JPY to ￥618,319 JPY, with an average price of ￥137,587 JPY. There are currently 159 diamonds matching this specification available across retailers.

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

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5.00ct+ D SI2 Lab Grown Oval

As of April 2026, there are 159 lab grown oval diamonds with D color and SI2 clarity in the 5.00ct+ range available across retailers worldwide. Prices range from ￥4,299 JPY to ￥618,319 JPY, with an average of ￥137,587 JPY.

Last updated: April 2026

Available

159

Lowest Price

￥4,299 JPY

Highest Price

￥618,319 JPY

Average Price

￥137,587 JPY

Score Distribution

159 diamonds scored across 4 quality tiers

Excellent

9 (5.7%)

Very Good

42 (26.4%)

Good

52 (32.7%)

Average

56 (35.2%)

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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