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

As of September 2026, 1.00 to 1.49ct F FL lab grown cushion diamonds typically cost $919 SGD to $2,678 SGD, with a median price of $1,648 SGD. There are currently 13 diamonds matching this specification available across retailers.

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

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1.00 to 1.49ct F FL Lab Grown Cushion

Quick answer

As of September 2026, there are 13 lab grown cushion diamonds with F colour and FL clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $919 SGD to $2,678 SGD, with a median of $1,648 SGD. At least 15 retailers stock this exact specification. Half of all listings fall between $1,533 SGD and $2,444 SGD per carat. The same specification in natural form lists at a median of about $4,920 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

$711 SGD

Highest Price

$4,776 SGD

Average Price

$1,820 SGD

Market Intelligence

Retailers Selling

Price Spread

45.6%

Price Range

Price per carat distribution across retailers

$1,575/ct

10th Percentile

$866

Median

$1,575

90th Percentile

$2,387

Score Distribution

13 diamonds scored across 4 quality tiers

Excellent

3 (23.1%)

Very Good

4 (30.8%)

Good

2 (15.4%)

Average

4 (30.8%)

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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