How much does a 5.00ct+ H IF natural round diamond cost?

As of September 2026, 5.00ct+ H IF natural round diamonds typically cost $128,880 SGD to $668,260 SGD, with a median price of $244,341 SGD. There are currently 81 diamonds matching this specification available across retailers.

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

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5.00ct+ H IF Natural Round

Quick answer

As of September 2026, there are 81 natural round diamonds with H colour and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $128,880 SGD to $668,260 SGD, with a median of $244,341 SGD. At least 13 retailers stock this exact specification. Half of all listings fall between $25,954 SGD and $51,235 SGD per carat. The same specification in lab grown form lists at a median of about $1,485 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. 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

Lowest Price

$65,161 SGD

Highest Price

$2,698,674 SGD

Average Price

$352,535 SGD

Market Intelligence

Retailers Selling

Price Spread

60.8%

Price Range

Price per carat distribution across retailers

$32,755/ct

10th Percentile

$18,838

Median

$32,755

90th Percentile

$46,247

Score Distribution

81 diamonds scored across 4 quality tiers

Excellent

18 (22.2%)

Very Good

21 (25.9%)

Good

18 (22.2%)

Average

24 (29.6%)

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Lab-Grown H IFSame 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