How much does a 1.00 to 1.49ct F SI2 natural cushion diamond cost?

As of September 2026, 1.00 to 1.49ct F SI2 natural cushion diamonds typically cost ₹1,32,819 INR to ₹4,23,968 INR, with a median price of ₹2,38,525 INR. There are currently 704 diamonds matching this specification available across retailers.

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

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1.00 to 1.49ct F SI2 Natural Cushion

Quick answer

As of September 2026, there are 704 natural cushion diamonds with F colour and SI2 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run ₹1,32,819 INR to ₹4,23,968 INR, with a median of ₹2,38,525 INR. At least 48 retailers stock this exact specification. Half of all listings fall between ₹1,59,554 INR and ₹2,85,757 INR per carat. The same specification in lab grown form lists at a median of about ₹1,27,784 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

704

Lowest Price

₹38,290 INR

Highest Price

₹9,18,293 INR

Average Price

₹2,57,246 INR

Market Intelligence

Retailers Selling

Price Spread

59.2%

Price Range

Price per carat distribution across retailers

$2,232/ct

10th Percentile

$1,367

Median

$2,232

90th Percentile

$3,865

Score Distribution

704 diamonds scored across 4 quality tiers

Excellent

108 (15.3%)

Very Good

146 (20.7%)

Good

228 (32.4%)

Average

222 (31.5%)

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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