How much does a 2.00 to 2.99ct E SI2 natural cushion diamond cost?

As of September 2026, 2.00 to 2.99ct E SI2 natural cushion diamonds typically cost HK$45,694 HKD to HK$186,831 HKD, with a median price of HK$93,054 HKD. There are currently 273 diamonds matching this specification available across retailers.

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

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2.00 to 2.99ct E SI2 Natural Cushion

Quick answer

As of September 2026, there are 273 natural cushion diamonds with E colour and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run HK$45,694 HKD to HK$186,831 HKD, with a median of HK$93,054 HKD. At least 47 retailers stock this exact specification. Half of all listings fall between HK$35,377 HKD and HK$58,454 HKD per carat. The same specification in lab grown form lists at a median of about HK$4,878 HKD per carat.

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

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Cushion natural stones in the index: 2,792 USD per carat, +1.1% month on month. See the full index release

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

Last updated: September 2026

Available

273

Lowest Price

HK$30,374 HKD

Highest Price

HK$547,792 HKD

Average Price

HK$109,240 HKD

Market Intelligence

Retailers Selling

Price Spread

51.4%

Price Range

Price per carat distribution across retailers

$5,832/ct

10th Percentile

$3,530

Median

$5,832

90th Percentile

$9,571

Score Distribution

273 diamonds scored across 4 quality tiers

Excellent

65 (23.8%)

Very Good

87 (31.9%)

Good

69 (25.3%)

Average

52 (19.0%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

F SI2F colour is visually identical to E to the naked eye

Save 6%

Lab-Grown E SI2Same specifications, lab-grown origin

Save 84%

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