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

As of October 2026, 2.00 to 2.99ct D SI1 natural round diamonds typically cost HK$127,936 HKD to HK$330,724 HKD, with a median price of HK$204,431 HKD. There are currently 409 diamonds matching this specification available across retailers.

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

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

2.00 to 2.99ct D SI1 Natural Round

Quick answer

As of October 2026, there are 409 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$127,936 HKD to HK$330,724 HKD, with a median of HK$204,431 HKD. At least 61 retailers stock this exact specification, and 33% of the stones appear at more than one of them, with an average price spread of 33%. Half of all listings fall between HK$69,054 HKD and HK$96,037 HKD per carat. The same specification in lab grown form lists at a median of about HK$3,105 HKD per carat. Over the last 30 days the median price moved -0.3% and the number of listings moved +6.9%.

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. Round natural stones in the index: 2,248 USD per carat, +7.6% 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

409

Lowest Price

HK$77,052 HKD

Highest Price

HK$547,563 HKD

Average Price

HK$221,506 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

33.4%

Price Spread

33.2%

30-Day Price Trend

-0.3%

30-Day Supply Change

+6.9%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$10,369/ct

10th Percentile

$7,625

Median

$10,369

90th Percentile

$14,642

Score Distribution

1.1K diamonds scored across 4 quality tiers

Excellent

125 (11.6%)

Very Good

253 (23.5%)

Good

240 (22.3%)

Average

458 (42.6%)

Find Your Diamond

Search 409 D SI1 round diamonds and compare prices.

Search Diamonds

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

Save 26%

Lab-Grown D SI1Same specifications, lab-grown origin

Save 96%

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