How much does a 5.00ct+ D IF lab grown radiant diamond cost?

As of September 2026, 5.00ct+ D IF lab grown radiant diamonds typically cost $11,499 CAD to $54,062 CAD, with a median price of $23,341 CAD. There are currently 374 diamonds matching this specification available across retailers.

Where can I find the best price on a D IF radiant diamond?

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5.00ct+ D IF Lab Grown Radiant

Quick answer

As of September 2026, there are 374 lab grown radiant diamonds with D color and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $11,499 CAD to $54,062 CAD, with a median of $23,341 CAD. At least 32 retailers stock this exact specification. Half of all listings fall between $3,101 CAD and $7,170 CAD per carat. The same specification in natural form lists at a median of about $45,560 CAD 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 lab grown stones in the index: 473 USD per carat, -12.5% 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

374

Lowest Price

$5,543 CAD

Highest Price

$734,132 CAD

Average Price

$32,784 CAD

Market Intelligence

Retailers Selling

Price Spread

92.5%

Price Range

Price per carat distribution across retailers

$3,174/ct

10th Percentile

$1,714

Median

$3,174

90th Percentile

$6,856

Score Distribution

374 diamonds scored across 4 quality tiers

Excellent

94 (25.1%)

Very Good

165 (44.1%)

Good

104 (27.8%)

Average

11 (2.9%)

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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