How much does a 2.00 to 2.99ct D SI2 natural round diamond cost?

As of September 2026, 2.00 to 2.99ct D SI2 natural round diamonds typically cost HK$75,634 HKD to HK$218,441 HKD, with a median price of HK$122,173 HKD. There are currently 965 diamonds matching this specification available across retailers.

Where can I find the best price on a D SI2 round diamond?

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2.00 to 2.99ct D SI2 Natural Round

Quick answer

As of September 2026, there are 965 natural round diamonds with D colour and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run HK$75,634 HKD to HK$218,441 HKD, with a median of HK$122,173 HKD. At least 51 retailers stock this exact specification. Half of all listings fall between HK$44,735 HKD and HK$70,860 HKD per carat. The same specification in lab grown form lists at a median of about HK$7,245 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. Round natural stones in the index: 2,094 USD per carat, -3.8% 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

965

Lowest Price

HK$46,989 HKD

Highest Price

HK$474,167 HKD

Average Price

HK$135,834 HKD

Market Intelligence

Retailers Selling

Price Spread

45.1%

Price Range

Price per carat distribution across retailers

$7,390/ct

10th Percentile

$4,659

Median

$7,390

90th Percentile

$10,886

Score Distribution

965 diamonds scored across 4 quality tiers

Excellent

300 (31.1%)

Very Good

298 (30.9%)

Good

230 (23.8%)

Average

137 (14.2%)

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Lab-Grown D SI2Same 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