How much does a 5.00ct+ E FL lab grown marquise diamond cost?

As of November 2026, 5.00ct+ E FL lab grown marquise diamonds typically cost $17,827 CAD to $36,656 CAD, with a median price of $25,945 CAD. There are currently 4 diamonds matching this specification available across retailers.

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

About 47% of these diamonds are available at multiple retailers, with an average price spread of 53%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ E FL Lab Grown Marquise

Quick answer

As of November 2026, there are 4 lab grown marquise diamonds with E color and FL clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $17,827 CAD to $36,656 CAD, with a median of $25,945 CAD. At least 25 retailers stock this exact specification, and 47% of the stones appear at more than one of them, with an average price spread of 53%. Half of all listings fall between $6,335 CAD and $11,015 CAD per carat. Over the last 30 days the median price moved -3.5% and the number of listings moved +38.8%.

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

$16,340 CAD

Highest Price

$75,137 CAD

Average Price

$26,833 CAD

Market Intelligence

Retailers Selling

Cross Retailer %

47.1%

Price Spread

53.0%

30-Day Price Trend

-3.5%

30-Day Supply Change

+38.8%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$6,324/ct

10th Percentile

$3,126

Median

$6,324

90th Percentile

$9,184

Score Distribution

5 diamonds scored across 3 quality tiers

Excellent

2 (40.0%)

Very Good

2 (40.0%)

Good

1 (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