How much does a 2.00 to 2.99ct E SI1 lab grown marquise diamond cost?

As of September 2026, 2.00 to 2.99ct E SI1 lab grown marquise diamonds typically cost $760 SGD to $3,550 SGD, with a median price of $927 SGD. There are currently 218 diamonds matching this specification available across retailers.

Where can I find the best price on a E SI1 marquise diamond?

Compare prices across retailers on Carat Hunter to see all your options.

2.00 to 2.99ct E SI1 Lab Grown Marquise

Quick answer

As of September 2026, there are 218 lab grown marquise diamonds with E colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $760 SGD to $3,550 SGD, with a median of $927 SGD. At least 19 retailers stock this exact specification. Half of all listings fall between $398 SGD and $1,064 SGD per carat. The same specification in natural form lists at a median of about $17,994 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

218

Lowest Price

$275 SGD

Highest Price

$5,820 SGD

Average Price

$1,663 SGD

Market Intelligence

Retailers Selling

Price Spread

150.8%

Price Range

Price per carat distribution across retailers

$349/ct

10th Percentile

$287

Median

$349

90th Percentile

$1,288

Score Distribution

218 diamonds scored across 4 quality tiers

Excellent

5 (2.3%)

Very Good

46 (21.1%)

Good

84 (38.5%)

Average

83 (38.1%)

Find Your Diamond

Search 218 E SI1 marquise diamonds and compare prices.

Search Diamonds

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