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

As of September 2026, 2.00 to 2.99ct E SI1 lab grown round diamonds typically cost $561 SGD to $2,978 SGD, with a median price of $1,111 SGD. There are currently 1,595 diamonds matching this specification available across retailers.

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

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2.00 to 2.99ct E SI1 Lab Grown Round

Quick answer

As of September 2026, there are 1,595 lab grown round diamonds with E colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $561 SGD to $2,978 SGD, with a median of $1,111 SGD. At least 38 retailers stock this exact specification. Half of all listings fall between $389 SGD and $927 SGD per carat. The same specification in natural form lists at a median of about $15,860 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. Round lab grown stones in the index: 438 USD per carat, -14.1% 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

1,595

Lowest Price

$253 SGD

Highest Price

$136,016 SGD

Average Price

$1,721 SGD

Market Intelligence

Retailers Selling

Price Spread

99.4%

Price Range

Price per carat distribution across retailers

$406/ct

10th Percentile

$237

Median

$406

90th Percentile

$1,046

Score Distribution

1.6K diamonds scored across 4 quality tiers

Excellent

358 (22.4%)

Very Good

216 (13.5%)

Good

388 (24.3%)

Average

633 (39.7%)

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F SI1F colour is visually identical to E to the naked eye

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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