How much does a 0.20 to 0.49ct J VS1 lab grown heart diamond cost?

As of October 2026, 0.20 to 0.49ct J VS1 lab grown heart diamonds typically cost $171 AUD to $309 AUD, with a median price of $268 AUD. There are currently 2 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.

0.20 to 0.49ct J VS1 Lab Grown Heart

Quick answer

As of October 2026, there are 2 lab grown heart diamonds with J colour and VS1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run $171 AUD to $309 AUD, with a median of $268 AUD. The same specification in natural form lists at a median of about $1,867 AUD per carat.

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

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

$147 AUD

Highest Price

$833 AUD

Average Price

$245 AUD

Score Distribution

3 diamonds scored across 2 quality tiers

Very Good

1 (33.3%)

Average

2 (66.7%)

Find Your Diamond

Search 2 J VS1 heart 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