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

As of September 2026, 3.00 to 4.99ct G IF lab grown cushion diamonds typically cost ₹1,59,585 INR to ₹11,65,928 INR, with a median price of ₹6,47,218 INR. There are currently 11 diamonds matching this specification available across retailers.

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

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3.00 to 4.99ct G IF Lab Grown Cushion

Quick answer

As of September 2026, there are 11 lab grown cushion diamonds with G colour and IF clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run ₹1,59,585 INR to ₹11,65,928 INR, with a median of ₹6,47,218 INR. At least 31 retailers stock this exact specification. Half of all listings fall between ₹72,657 INR and ₹1,90,690 INR per carat. The same specification in natural form lists at a median of about ₹15,82,665 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. Cushion lab grown stones in the index: 466 USD per carat, -14.7% 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

₹1,56,718 INR

Highest Price

₹14,13,029 INR

Average Price

₹6,17,420 INR

Market Intelligence

Retailers Selling

Price Spread

118.7%

Price Range

Price per carat distribution across retailers

$1,041/ct

10th Percentile

$552

Median

$1,041

90th Percentile

$2,495

Score Distribution

11 diamonds scored across 4 quality tiers

Excellent

3 (27.3%)

Very Good

1 (9.1%)

Good

3 (27.3%)

Average

4 (36.4%)

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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