How much does a 5.00ct+ G SI2 natural cushion diamond cost?

As of September 2026, 5.00ct+ G SI2 natural cushion diamonds typically cost ₹48,84,263 INR to ₹1,44,03,781 INR, with a median price of ₹74,06,187 INR. There are currently 45 diamonds matching this specification available across retailers.

Where can I find the best price on a G SI2 cushion diamond?

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5.00ct+ G SI2 Natural Cushion

Quick answer

As of September 2026, there are 45 natural cushion diamonds with G colour and SI2 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run ₹48,84,263 INR to ₹1,44,03,781 INR, with a median of ₹74,06,187 INR. At least 25 retailers stock this exact specification. Half of all listings fall between ₹12,03,579 INR and ₹16,34,241 INR per carat. The same specification in lab grown form lists at a median of about ₹28,189 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 natural stones in the index: 2,792 USD per carat, +1.1% 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

₹22,70,785 INR

Highest Price

₹2,84,14,518 INR

Average Price

₹86,08,562 INR

Market Intelligence

Retailers Selling

Price Spread

29.2%

Price Range

Price per carat distribution across retailers

$15,440/ct

10th Percentile

$7,271

Median

$15,440

90th Percentile

$18,716

Score Distribution

45 diamonds scored across 4 quality tiers

Excellent

10 (22.2%)

Very Good

11 (24.4%)

Good

10 (22.2%)

Average

14 (31.1%)

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Save money without compromising on what matters. These alternatives are visually similar but cost less.

Lab-Grown G SI2Same specifications, lab-grown origin

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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