How much does a 1.00 to 1.49ct H SI1 natural round diamond cost?

As of July 2026, 1.00 to 1.49ct H SI1 natural round diamonds typically cost $2,631 SGD to $6,971 SGD, with a median price of $3,960 SGD. There are currently 5,707 diamonds matching this specification available across retailers.

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

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1.00 to 1.49ct H SI1 Natural Round

Last updated: July 2026

Available

5,707

Lowest Price

$1,190 SGD

Highest Price

$27,747 SGD

Average Price

$4,478 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

N/A

Price Spread

35.2%

30-Day Price Trend

N/A

30-Day Supply Change

N/A

Volatility (30d)

N/A

Price Range

Price per carat distribution across retailers

$2,872/ct

10th Percentile

$2,040

Median

$2,872

90th Percentile

$4,255

Score Distribution

5.7K diamonds scored across 4 quality tiers

Excellent

1,203 (21.1%)

Very Good

1,934 (33.9%)

Good

1,688 (29.6%)

Average

882 (15.5%)

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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