How much does a 3.00 to 4.99ct D IF lab grown radiant diamond cost?

As of September 2026, 3.00 to 4.99ct D IF lab grown radiant diamonds typically cost $2,380 CAD to $15,736 CAD, with a median price of $5,976 CAD. There are currently 5,581 diamonds matching this specification available across retailers.

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

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3.00 to 4.99ct D IF Lab Grown Radiant

Quick answer

As of September 2026, there are 5,581 lab grown radiant diamonds with D color and IF clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $2,380 CAD to $15,736 CAD, with a median of $5,976 CAD. At least 43 retailers stock this exact specification. Half of all listings fall between $1,052 CAD and $3,472 CAD per carat. The same specification in natural form lists at a median of about $22,700 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

5,581

Lowest Price

$1,203 CAD

Highest Price

$90,019 CAD

Average Price

$8,306 CAD

Market Intelligence

Retailers Selling

Price Spread

153.9%

Price Range

Price per carat distribution across retailers

$1,164/ct

10th Percentile

$581

Median

$1,164

90th Percentile

$3,273

Score Distribution

5.6K diamonds scored across 5 quality tiers

Exceptional

1 (0.0%)

Excellent

1,880 (33.7%)

Very Good

1,281 (23.0%)

Good

1,464 (26.2%)

Average

955 (17.1%)

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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