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

As of September 2026, 2.00 to 2.99ct D SI1 natural round diamonds typically cost HK$117,203 HKD to HK$289,872 HKD, with a median price of HK$170,269 HKD. There are currently 1,037 diamonds matching this specification available across retailers.

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

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2.00 to 2.99ct D SI1 Natural Round

Quick answer

As of September 2026, there are 1,037 natural round diamonds with D colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run HK$117,203 HKD to HK$289,872 HKD, with a median of HK$170,269 HKD. At least 56 retailers stock this exact specification. Half of all listings fall between HK$68,109 HKD and HK$93,753 HKD per carat. The same specification in lab grown form lists at a median of about HK$2,967 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

1,037

Lowest Price

HK$65,649 HKD

Highest Price

HK$842,146 HKD

Average Price

HK$188,506 HKD

Market Intelligence

Retailers Selling

Price Spread

31.7%

Price Range

Price per carat distribution across retailers

$10,302/ct

10th Percentile

$7,505

Median

$10,302

90th Percentile

$13,830

Score Distribution

1.0K diamonds scored across 4 quality tiers

Excellent

172 (16.6%)

Very Good

307 (29.6%)

Good

351 (33.8%)

Average

207 (20.0%)

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Consider Instead

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

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