How much does a 1.00 to 1.49ct F IF lab grown cushion diamond cost?

As of September 2026, 1.00 to 1.49ct F IF lab grown cushion diamonds typically cost $441 SGD to $3,021 SGD, with a median price of $1,442 SGD. There are currently 70 diamonds matching this specification available across retailers.

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1.00 to 1.49ct F IF Lab Grown Cushion

Quick answer

As of September 2026, there are 70 lab grown cushion diamonds with F colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $441 SGD to $3,021 SGD, with a median of $1,442 SGD. At least 31 retailers stock this exact specification. Half of all listings fall between $749 SGD and $1,939 SGD per carat. The same specification in natural form lists at a median of about $5,999 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 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

$308 SGD

Highest Price

$8,672 SGD

Average Price

$1,579 SGD

Market Intelligence

Retailers Selling

Price Spread

110.0%

Price Range

Price per carat distribution across retailers

$853/ct

10th Percentile

$461

Median

$853

90th Percentile

$1,921

Score Distribution

70 diamonds scored across 4 quality tiers

Excellent

18 (25.7%)

Very Good

14 (20.0%)

Good

24 (34.3%)

Average

14 (20.0%)

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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