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

As of October 2026, 1.00 to 1.49ct E FL lab grown marquise diamonds typically cost $358 SGD to $3,057 SGD, with a median price of $772 SGD. There are currently 69 diamonds matching this specification available across retailers.

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

About 49% of these diamonds are available at multiple retailers, with an average price spread of 107%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct E FL Lab Grown Marquise

Quick answer

As of October 2026, there are 69 lab grown marquise diamonds with E colour and FL clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $358 SGD to $3,057 SGD, with a median of $772 SGD. At least 40 retailers stock this exact specification, and 49% of the stones appear at more than one of them, with an average price spread of 107%. Half of all listings fall between $632 SGD and $1,548 SGD per carat. The same specification in natural form lists at a median of about $12,562 SGD per carat. Over the last 30 days the median price moved -23.8% and the number of listings moved +27.5%.

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: October 2026

Available

Lowest Price

$224 SGD

Highest Price

$5,808 SGD

Average Price

$1,304 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

49.3%

Price Spread

107.1%

30-Day Price Trend

-23.8%

30-Day Supply Change

+27.5%

Volatility (30d)

0.09

Price Range

Price per carat distribution across retailers

$667/ct

10th Percentile

$355

Median

$667

90th Percentile

$1,941

Score Distribution

172 diamonds scored across 4 quality tiers

Excellent

74 (43.0%)

Very Good

24 (14.0%)

Good

25 (14.5%)

Average

49 (28.5%)

Find Your Diamond

Search 69 E FL marquise diamonds and compare prices.

Search Diamonds

Consider Instead

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

E IFIF inclusions are not visible without magnification

Save 7%

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