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 $20,307 SGD to $42,540 SGD, with a median price of $28,278 SGD. There are currently 319 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 319 natural radiant diamonds with D colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $20,307 SGD to $42,540 SGD, with a median of $28,278 SGD. At least 54 retailers stock this exact specification. Half of all listings fall between $10,872 SGD and $14,413 SGD per carat. The same specification in lab grown form lists at a median of about $486 SGD 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

319

Lowest Price

$13,118 SGD

Highest Price

$76,390 SGD

Average Price

$29,930 SGD

Market Intelligence

Retailers Selling

Price Spread

28.2%

Price Range

Price per carat distribution across retailers

$9,884/ct

10th Percentile

$7,316

Median

$9,884

90th Percentile

$12,935

Score Distribution

319 diamonds scored across 4 quality tiers

Excellent

40 (12.5%)

Very Good

66 (20.7%)

Good

135 (42.3%)

Average

78 (24.5%)

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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