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

As of October 2026, 5.00ct+ E IF lab grown cushion diamonds typically cost HK$34,908 HKD to HK$251,794 HKD, with a median price of HK$86,114 HKD. There are currently 33 diamonds matching this specification available across retailers.

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

Compare prices across retailers on Carat Hunter to see all your options.

5.00ct+ E IF Lab Grown Cushion

Quick answer

As of October 2026, there are 33 lab grown cushion diamonds with E colour and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run HK$34,908 HKD to HK$251,794 HKD, with a median of HK$86,114 HKD. The same specification in natural form lists at a median of about HK$332,543 HKD per carat.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, September 2026: natural diamonds at 2,335 USD per carat and lab-grown at 443 USD per carat, a natural to lab ratio of 5.3 to 1. Cushion lab grown stones in the index: 516 USD per carat, +6.9% month on month. See the full index release

Figures come from current listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: October 2026

Available

Lowest Price

HK$24,167 HKD

Highest Price

HK$643,674 HKD

Average Price

HK$124,293 HKD

Score Distribution

99 diamonds scored across 5 quality tiers

Exceptional

1 (1.0%)

Excellent

29 (29.3%)

Very Good

37 (37.4%)

Good

25 (25.3%)

Average

7 (7.1%)

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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