How much does a 2.00 to 2.99ct E SI2 lab grown marquise diamond cost?

As of September 2026, 2.00 to 2.99ct E SI2 lab grown marquise diamonds typically cost $1,047 NZD to $3,912 NZD, with a median price of $1,067 NZD. There are currently 5 diamonds matching this specification available across retailers.

Where can I find the best price on a E SI2 marquise diamond?

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

2.00 to 2.99ct E SI2 Lab Grown Marquise

Quick answer

As of September 2026, there are 5 lab grown marquise diamonds with E colour and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $1,047 NZD to $3,912 NZD, with a median of $1,067 NZD. At least 9 retailers stock this exact specification. Half of all listings fall between $526 NZD and $14,142 NZD per carat. The same specification in natural form lists at a median of about $18,594 NZD per carat.

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

2.52ct Marquise E SI2, IGI, score 83 of 100, from $1,044 NZD

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

Lowest Price

$1,044 NZD

Highest Price

$5,602 NZD

Average Price

$2,028 NZD

Market Intelligence

Retailers Selling

Price Spread

1691.5%

Price Range

Price per carat distribution across retailers

$469/ct

10th Percentile

$246

Median

$469

90th Percentile

$17,860

Score Distribution

5 diamonds scored across 3 quality tiers

Excellent

1 (20.0%)

Good

2 (40.0%)

Average

2 (40.0%)

Find Your Diamond

Search 5 E SI2 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