How much does a 1.00 to 1.49ct I FL natural cushion diamond cost?

As of September 2026, 1.00 to 1.49ct I FL natural cushion diamonds typically cost $3,667 SGD to $7,464 SGD, with a median price of $5,848 SGD. There are currently 7 diamonds matching this specification available across retailers.

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

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1.00 to 1.49ct I FL Natural Cushion

Quick answer

As of September 2026, there are 7 natural cushion diamonds with I colour and FL clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $3,667 SGD to $7,464 SGD, with a median of $5,848 SGD. At least 16 retailers stock this exact specification. Half of all listings fall between $6,046 SGD and $8,970 SGD 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

$3,485 SGD

Highest Price

$8,932 SGD

Average Price

$5,744 SGD

Market Intelligence

Retailers Selling

Price Spread

40.0%

Price Range

Price per carat distribution across retailers

$5,762/ct

10th Percentile

$3,135

Median

$5,762

90th Percentile

$7,599

Score Distribution

7 diamonds scored across 3 quality tiers

Very Good

2 (28.6%)

Good

4 (57.1%)

Average

1 (14.3%)

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Consider Instead

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

J FLJ colour is visually identical to I to the naked eye

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I IFIF inclusions are not visible without magnification

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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