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

As of September 2026, 3.00 to 4.99ct G IF lab grown marquise diamonds typically cost ₹3,42,218 INR to ₹7,85,507 INR, with a median price of ₹5,68,069 INR. There are currently 6 diamonds matching this specification available across retailers.

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

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3.00 to 4.99ct G IF Lab Grown Marquise

Quick answer

As of September 2026, there are 6 lab grown marquise diamonds with G colour and IF clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run ₹3,42,218 INR to ₹7,85,507 INR, with a median of ₹5,68,069 INR. At least 22 retailers stock this exact specification. Half of all listings fall between ₹79,360 INR and ₹1,81,018 INR per carat. The same specification in natural form lists at a median of about ₹18,05,085 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. Marquise lab grown stones in the index: 500 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

₹3,06,333 INR

Highest Price

₹15,73,242 INR

Average Price

₹5,65,265 INR

Market Intelligence

Retailers Selling

Price Spread

80.1%

Price Range

Price per carat distribution across retailers

$1,523/ct

10th Percentile

$615

Median

$1,523

90th Percentile

$3,061

Score Distribution

6 diamonds scored across 3 quality tiers

Excellent

1 (16.7%)

Good

1 (16.7%)

Average

4 (66.7%)

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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