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

As of September 2026, 3.00 to 4.99ct I IF lab grown radiant diamonds typically cost ₹2,76,656 INR to ₹7,30,521 INR, with a median price of ₹3,49,025 INR. There are currently 4 diamonds matching this specification available across retailers.

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

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3.00 to 4.99ct I IF Lab Grown Radiant

Quick answer

As of September 2026, there are 4 lab grown radiant diamonds with I colour and IF clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run ₹2,76,656 INR to ₹7,30,521 INR, with a median of ₹3,49,025 INR. At least 7 retailers stock this exact specification. Half of all listings fall between ₹80,544 INR and ₹2,13,139 INR per carat. The same specification in natural form lists at a median of about ₹14,02,367 INR 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

₹2,76,455 INR

Highest Price

₹18,89,221 INR

Average Price

₹4,59,428 INR

Market Intelligence

Retailers Selling

Price Spread

134.1%

Price Range

Price per carat distribution across retailers

$1,035/ct

10th Percentile

$745

Median

$1,035

90th Percentile

$2,573

Score Distribution

4 diamonds scored across 3 quality tiers

Excellent

1 (25.0%)

Very Good

2 (50.0%)

Good

1 (25.0%)

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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