How much does a 2.00 to 2.99ct D SI1 natural radiant diamond cost?

As of September 2026, 2.00 to 2.99ct D SI1 natural radiant diamonds typically cost HK$123,485 HKD to HK$256,742 HKD, with a median price of HK$171,623 HKD. There are currently 323 diamonds matching this specification available across retailers.

Where can I find the best price on a D SI1 radiant diamond?

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2.00 to 2.99ct D SI1 Natural Radiant

Quick answer

As of September 2026, there are 323 natural radiant diamonds with D colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run HK$123,485 HKD to HK$256,742 HKD, with a median of HK$171,623 HKD. At least 54 retailers stock this exact specification. Half of all listings fall between HK$65,551 HKD and HK$87,005 HKD per carat. The same specification in lab grown form lists at a median of about HK$2,952 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. Radiant natural stones in the index: 2,765 USD per carat, +6.0% 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

323

Lowest Price

HK$79,425 HKD

Highest Price

HK$462,507 HKD

Average Price

HK$180,872 HKD

Market Intelligence

Retailers Selling

Price Spread

28.3%

Price Range

Price per carat distribution across retailers

$9,871/ct

10th Percentile

$7,299

Median

$9,871

90th Percentile

$12,935

Score Distribution

323 diamonds scored across 4 quality tiers

Excellent

40 (12.4%)

Very Good

65 (20.1%)

Good

138 (42.7%)

Average

80 (24.8%)

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Consider Instead

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D SI2SI2 inclusions are not visible without magnification

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Lab-Grown D 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