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

As of September 2026, 2.00 to 2.99ct J SI2 lab grown heart diamonds typically cost $3,417 USD to $14,223 USD, with a median price of $7,850 USD. There are currently 13 diamonds matching this specification available across retailers.

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

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2.00 to 2.99ct J SI2 Lab Grown Heart

Quick answer

As of September 2026, there are 13 lab grown heart diamonds with J color and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $3,417 USD to $14,223 USD, with a median of $7,850 USD. At least 9 retailers stock this exact specification. Half of all listings fall between $1,626 USD and $2,370 USD per carat. The same specification in natural form lists at a median of about $3,177 USD per carat.

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

2.02ct Heart J SI2, IGI, score 84 of 100, from $1,557 USD

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. Heart lab grown stones in the index: 440 USD per carat, -9.4% 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

$1,557 USD

Highest Price

$18,132 USD

Average Price

$8,598 USD

Market Intelligence

Retailers Selling

Price Spread

37.4%

Price Range

Price per carat distribution across retailers

$1,986/ct

10th Percentile

$874

Median

$1,986

90th Percentile

$2,557

Score Distribution

13 diamonds scored across 3 quality tiers

Excellent

1 (7.7%)

Good

1 (7.7%)

Average

11 (84.6%)

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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