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

As of September 2026, 3.00 to 4.99ct G IF lab grown radiant diamonds typically cost $1,256 SGD to $11,929 SGD, with a median price of $3,734 SGD. There are currently 51 diamonds matching this specification available across retailers.

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

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3.00 to 4.99ct G IF Lab Grown Radiant

Quick answer

As of September 2026, there are 51 lab grown radiant diamonds with G colour and IF clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $1,256 SGD to $11,929 SGD, with a median of $3,734 SGD. At least 35 retailers stock this exact specification. Half of all listings fall between $784 SGD and $2,131 SGD per carat. The same specification in natural form lists at a median of about $26,631 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. 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

Lowest Price

$829 SGD

Highest Price

$67,993 SGD

Average Price

$5,700 SGD

Market Intelligence

Retailers Selling

Price Spread

108.4%

Price Range

Price per carat distribution across retailers

$932/ct

10th Percentile

$428

Median

$932

90th Percentile

$2,559

Score Distribution

51 diamonds scored across 4 quality tiers

Excellent

18 (35.3%)

Very Good

9 (17.6%)

Good

7 (13.7%)

Average

17 (33.3%)

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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