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

As of October 2026, 2.00 to 2.99ct E SI2 natural cushion diamonds typically cost HK$50,303 HKD to HK$245,217 HKD, with a median price of HK$110,345 HKD. There are currently 120 diamonds matching this specification available across retailers.

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

About 35% of these diamonds are available at multiple retailers, with an average price spread of 57%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct E SI2 Natural Cushion

Quick answer

As of October 2026, there are 120 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$50,303 HKD to HK$245,217 HKD, with a median of HK$110,345 HKD. At least 53 retailers stock this exact specification, and 35% of the stones appear at more than one of them, with an average price spread of 57%. Half of all listings fall between HK$34,300 HKD and HK$59,525 HKD per carat. The same specification in lab grown form lists at a median of about HK$3,783 HKD per carat. Over the last 30 days the median price moved -1.4% and the number of listings moved +9.9%.

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 natural stones in the index: 2,948 USD per carat, +1.7% 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

120

Lowest Price

HK$30,874 HKD

Highest Price

HK$510,810 HKD

Average Price

HK$138,438 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

35.1%

Price Spread

56.9%

30-Day Price Trend

-1.4%

30-Day Supply Change

+9.9%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$5,654/ct

10th Percentile

$3,423

Median

$5,654

90th Percentile

$9,214

Score Distribution

351 diamonds scored across 4 quality tiers

Excellent

83 (23.6%)

Very Good

69 (19.7%)

Good

56 (16.0%)

Average

143 (40.7%)

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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 8%

Lab-Grown E SI2Same specifications, lab-grown origin

Save 89%

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