How much does a 1.00 to 1.49ct D FL lab grown marquise diamond cost?

As of September 2026, 1.00 to 1.49ct D FL lab grown marquise diamonds typically cost $383 SGD to $4,161 SGD, with a median price of $1,114 SGD. There are currently 4,992 diamonds matching this specification available across retailers.

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

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1.00 to 1.49ct D FL Lab Grown Marquise

Quick answer

As of September 2026, there are 4,992 lab grown marquise diamonds with D colour and FL clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $383 SGD to $4,161 SGD, with a median of $1,114 SGD. At least 29 retailers stock this exact specification. Half of all listings fall between $839 SGD and $2,231 SGD per carat. The same specification in natural form lists at a median of about $12,578 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. Marquise lab grown stones in the index: 500 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

4,992

Lowest Price

$275 SGD

Highest Price

$54,590 SGD

Average Price

$1,877 SGD

Market Intelligence

Retailers Selling

Price Spread

122.5%

Price Range

Price per carat distribution across retailers

$893/ct

10th Percentile

$463

Median

$893

90th Percentile

$2,759

Score Distribution

5.0K diamonds scored across 4 quality tiers

Excellent

1,259 (25.2%)

Very Good

1,269 (25.4%)

Good

1,074 (21.5%)

Average

1,390 (27.8%)

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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