How much does a 3.00 to 4.99ct H I1 natural radiant diamond cost?

As of November 2026, 3.00 to 4.99ct H I1 natural radiant diamonds typically cost $47,891 CAD to $141,027 CAD, with a median price of $67,984 CAD. There are currently 3 diamonds matching this specification available across retailers.

Where can I find the best price on a H I1 radiant diamond?

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3.00 to 4.99ct H I1 Natural Radiant

Quick answer

As of November 2026, there are 3 natural radiant diamonds with H color and I1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $47,891 CAD to $141,027 CAD, with a median of $67,984 CAD. The same specification in lab grown form lists at a median of about $229 CAD per carat.

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: November 2026

Available

Lowest Price

$29,543 CAD

Highest Price

$188,954 CAD

Average Price

$90,772 CAD

Score Distribution

57 diamonds scored across 3 quality tiers

Very Good

3 (5.3%)

Good

1 (1.8%)

Average

53 (93.0%)

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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