How much does a 1.00 to 1.49ct J VS1 lab grown heart diamond cost?

As of September 2026, 1.00 to 1.49ct J VS1 lab grown heart diamonds typically cost $1,733 SGD to $2,487 SGD, with a median price of $1,792 SGD. There are currently 76 diamonds matching this specification available across retailers.

Where can I find the best price on a J VS1 heart diamond?

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

1.00 to 1.49ct J VS1 Lab Grown Heart

Quick answer

As of September 2026, there are 76 lab grown heart diamonds with J colour and VS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $1,733 SGD to $2,487 SGD, with a median of $1,792 SGD. At least 5 retailers stock this exact specification. Half of all listings fall between $1,675 SGD and $1,700 SGD per carat. The same specification in natural form lists at a median of about $3,124 SGD per carat.

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

1.00ct Heart J VS1, IGI, score 80 of 100, from $597 SGD

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

$597 SGD

Highest Price

$6,317 SGD

Average Price

$1,969 SGD

Market Intelligence

Retailers Selling

Price Spread

1.5%

Price Range

Price per carat distribution across retailers

$1,263/ct

10th Percentile

$1,256

Median

$1,263

90th Percentile

$1,681

Score Distribution

76 diamonds scored across 4 quality tiers

Excellent

1 (1.3%)

Very Good

1 (1.3%)

Good

70 (92.1%)

Average

4 (5.3%)

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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