How much does a 2.00 to 2.99ct J SI2 lab grown round diamond cost?

As of September 2026, 2.00 to 2.99ct J SI2 lab grown round diamonds typically cost $1,263 SGD to $12,285 SGD, with a median price of $3,173 SGD. There are currently 408 diamonds matching this specification available across retailers.

Where can I find the best price on a J SI2 round diamond?

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

2.00 to 2.99ct J SI2 Lab Grown Round

Quick answer

As of September 2026, there are 408 lab grown round diamonds with J colour and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $1,263 SGD to $12,285 SGD, with a median of $3,173 SGD. At least 19 retailers stock this exact specification. Half of all listings fall between $1,129 SGD and $2,629 SGD per carat. The same specification in natural form lists at a median of about $6,747 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

408

Lowest Price

$827 SGD

Highest Price

$37,781 SGD

Average Price

$4,727 SGD

Market Intelligence

Retailers Selling

Price Spread

62.4%

Price Range

Price per carat distribution across retailers

$1,802/ct

10th Percentile

$520

Median

$1,802

90th Percentile

$2,881

Score Distribution

408 diamonds scored across 4 quality tiers

Excellent

83 (20.3%)

Very Good

207 (50.7%)

Good

68 (16.7%)

Average

50 (12.3%)

Find Your Diamond

Search 408 J SI2 round 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