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

As of October 2026, 2.00 to 2.99ct H SI1 natural radiant diamonds typically cost $15,289 SGD to $43,629 SGD, with a median price of $23,259 SGD. There are currently 122 diamonds matching this specification available across retailers.

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

About 36% of these diamonds are available at multiple retailers, with an average price spread of 32%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct H SI1 Natural Radiant

Quick answer

As of October 2026, there are 122 natural radiant diamonds with H colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $15,289 SGD to $43,629 SGD, with a median of $23,259 SGD. At least 62 retailers stock this exact specification, and 36% of the stones appear at more than one of them, with an average price spread of 32%. Half of all listings fall between $7,835 SGD and $10,710 SGD per carat. The same specification in lab grown form lists at a median of about $1,985 SGD per carat. Over the last 30 days the median price moved -0.5% and the number of listings moved +20.8%.

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. Radiant natural stones in the index: 3,091 USD per carat, +13.2% 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

122

Lowest Price

$9,459 SGD

Highest Price

$56,804 SGD

Average Price

$26,621 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

35.6%

Price Spread

31.7%

30-Day Price Trend

-0.5%

30-Day Supply Change

+20.8%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$7,082/ct

10th Percentile

$5,209

Median

$7,082

90th Percentile

$9,637

Score Distribution

394 diamonds scored across 4 quality tiers

Excellent

25 (6.3%)

Very Good

76 (19.3%)

Good

72 (18.3%)

Average

221 (56.1%)

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Consider Instead

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

H SI2SI2 inclusions are not visible without magnification

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Lab-Grown H 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