How much does a 2.00 to 2.99ct H SI1 natural cushion diamond cost?

As of November 2026, 2.00 to 2.99ct H SI1 natural cushion diamonds typically cost HK$64,677 HKD to HK$203,613 HKD, with a median price of HK$115,920 HKD. There are currently 297 diamonds matching this specification available across retailers.

Where can I find the best price on a H SI1 cushion diamond?

About 33% of these diamonds are available at multiple retailers, with an average price spread of 49%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct H SI1 Natural Cushion

Quick answer

As of November 2026, there are 297 natural cushion diamonds with H colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run HK$64,677 HKD to HK$203,613 HKD, with a median of HK$115,920 HKD. At least 56 retailers stock this exact specification, and 33% of the stones appear at more than one of them, with an average price spread of 49%. Half of all listings fall between HK$35,204 HKD and HK$57,365 HKD per carat. The same specification in lab grown form lists at a median of about HK$8,497 HKD per carat. Over the last 30 days the median price moved -1.2% and the number of listings moved +4.8%.

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: November 2026

Available

297

Lowest Price

HK$33,666 HKD

Highest Price

HK$381,254 HKD

Average Price

HK$129,026 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

32.6%

Price Spread

48.7%

30-Day Price Trend

-1.2%

30-Day Supply Change

+4.8%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$5,797/ct

10th Percentile

$3,650

Median

$5,797

90th Percentile

$8,744

Score Distribution

787 diamonds scored across 4 quality tiers

Excellent

74 (9.4%)

Very Good

141 (17.9%)

Good

201 (25.5%)

Average

371 (47.1%)

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Consider Instead

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

H SI2SI2 inclusions are not visible without magnification

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Lab-Grown H SI1Same specifications, lab-grown origin

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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