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

As of April 2026, 5.00ct+ E SI2 lab grown cushion diamonds are available from $215 NZD to $12,733 NZD, with an average price of $2,506 NZD. There are currently 199 diamonds matching this specification available across retailers.

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

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5.00ct+ E SI2 Lab Grown Cushion

As of April 2026, there are 199 lab grown cushion diamonds with E color and SI2 clarity in the 5.00ct+ range available across retailers worldwide. Prices range from $215 NZD to $12,733 NZD, with an average of $2,506 NZD.

Last updated: April 2026

Available

199

Lowest Price

$215 NZD

Highest Price

$12,733 NZD

Average Price

$2,506 NZD

Score Distribution

199 diamonds scored across 4 quality tiers

Excellent

31 (15.6%)

Very Good

44 (22.1%)

Good

42 (21.1%)

Average

82 (41.2%)

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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