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

As of October 2026, 1.00 to 1.49ct J VS1 lab grown heart diamonds typically cost HK$2,695 HKD to HK$9,274 HKD, with a median price of HK$4,323 HKD. There are currently 1 diamonds matching this specification available across retailers.

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

About 50% of these diamonds are available at multiple retailers, with an average price spread of 115%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct J VS1 Lab Grown Heart

Quick answer

As of October 2026, there are 1 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 HK$2,695 HKD to HK$9,274 HKD, with a median of HK$4,323 HKD. At least 13 retailers stock this exact specification, and 50% of the stones appear at more than one of them, with an average price spread of 115%. Half of all listings fall between HK$1,720 HKD and HK$5,010 HKD per carat. The same specification in natural form lists at a median of about HK$19,297 HKD per carat. Over the last 30 days the median price moved -54.1% and the number of listings moved -3.6%.

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

1.00ct Heart J VS1, IGI, grade B+, from HK$2,173 HKD

Caratlytics Diamond Price Index, September 2026: natural diamonds at 2,335 USD per carat and lab-grown at 443 USD per carat, a natural to lab ratio of 5.3 to 1. Heart lab grown stones in the index: 421 USD per carat, -1.8% month on month. See the full index release

Figures come from current listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: October 2026

Available

Lowest Price

HK$2,173 HKD

Highest Price

HK$11,220 HKD

Average Price

HK$5,510 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

50.0%

Price Spread

114.7%

30-Day Price Trend

-54.1%

30-Day Supply Change

-3.6%

Volatility (30d)

0.27

Price Range

Price per carat distribution across retailers

$366/ct

10th Percentile

$202

Median

$366

90th Percentile

$914

Score Distribution

4 diamonds scored across 3 quality tiers

Very Good

1 (25.0%)

Good

1 (25.0%)

Average

2 (50.0%)

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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