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

As of November 2026, 1.00 to 1.49ct F FL lab grown marquise diamonds typically cost $421 AUD to $890 AUD, with a median price of $705 AUD. There are currently 4 diamonds matching this specification available across retailers.

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

About 75% of these diamonds are available at multiple retailers, with an average price spread of 99%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct F FL Lab Grown Marquise

Quick answer

As of November 2026, there are 4 lab grown marquise diamonds with F colour and FL clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $421 AUD to $890 AUD, with a median of $705 AUD. At least 17 retailers stock this exact specification, and 75% of the stones appear at more than one of them, with an average price spread of 99%. Half of all listings fall between $694 AUD and $1,783 AUD per carat. Over the last 30 days the median price moved -13.6% and the number of listings moved +32.9%.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, September 2026: natural diamonds at 2,335 USD per carat and lab-grown at 443 USD per carat, a natural to lab ratio of 5.3 to 1. Marquise lab grown stones in the index: 485 USD per carat, -3.2% month on month. See the full index release

Figures come from current listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: November 2026

Available

Lowest Price

$283 AUD

Highest Price

$2,935 AUD

Average Price

$663 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

75.0%

Price Spread

99.1%

30-Day Price Trend

-13.6%

30-Day Supply Change

+32.9%

Volatility (30d)

0.06

Price Range

Price per carat distribution across retailers

$772/ct

10th Percentile

$416

Median

$772

90th Percentile

$1,854

Score Distribution

7 diamonds scored across 3 quality tiers

Excellent

4 (57.1%)

Very Good

2 (28.6%)

Good

1 (14.3%)

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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