How much does a 3.00 to 4.99ct D IF lab grown marquise diamond cost?

As of September 2026, 3.00 to 4.99ct D IF lab grown marquise diamonds typically cost $4,590 SGD to $20,676 SGD, with a median price of $11,510 SGD. There are currently 674 diamonds matching this specification available across retailers.

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

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3.00 to 4.99ct D IF Lab Grown Marquise

Quick answer

As of September 2026, there are 674 lab grown marquise diamonds with D colour and IF clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $4,590 SGD to $20,676 SGD, with a median of $11,510 SGD. At least 40 retailers stock this exact specification. Half of all listings fall between $1,994 SGD and $5,003 SGD per carat. The same specification in natural form lists at a median of about $37,729 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

674

Lowest Price

$2,747 SGD

Highest Price

$88,772 SGD

Average Price

$12,160 SGD

Market Intelligence

Retailers Selling

Price Spread

98.2%

Price Range

Price per carat distribution across retailers

$2,409/ct

10th Percentile

$1,147

Median

$2,409

90th Percentile

$5,830

Score Distribution

674 diamonds scored across 5 quality tiers

Exceptional

1 (0.1%)

Excellent

173 (25.7%)

Very Good

195 (28.9%)

Good

231 (34.3%)

Average

74 (11.0%)

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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